99results about How to "Guarantee the quality of teaching" patented technology

The embodiment of the invention relates to a processing system for teaching data. The processing system comprises an educational terminal, a learning terminal and a shared platform, wherein the sharedplatform comprises a teaching live broadcasting module, a teaching recording module, a teaching on-demand broadcasting module and an online evaluation module; the teaching live broadcasting module comprises a live broadcasting establishing unit, a network connection unit, a video and audio receiving unit, a live broadcasting interaction unit and a content distributing unit; the teaching recordingmodule comprises a recording unit, an analyzing unit, an annotating unit and a storage unit; the teaching on-demand broadcasting module comprises an on-demand broadcasting receiving unit, an on-demand broadcasting querying unit and an on-demand broadcasting processing unit; the online evaluation module comprises a test question entering unit, a proofreading unit, a wrong topic analysis unit and aknowledge point pushing unit. When students view analysis for wrong questions tested on the platform, relevant explaining videos can be obtained according to knowledge points of the wrong questions and are pushed to the students to help the students to break through weak knowledge points and improve the learning efficiency; in addition, in the live broadcasting process, a teacher can monitor thelearning states of the students so as to guarantee the learning quality of the students and the teaching quality of the teacher.

The invention discloses an automatic detection method and an automatic detection device for a connection wire of an electrical experimental facility. The automatic detection device for the connection wire of the electrical experimental facility comprises a (Micro Processing Unit) MCU, an 8155 chip, 24 relays, 24 free-wheeling diodes, 24 triodes, 48 connection terminals, 24 current-limiting resistors, 24 pull-up resistors, a communication module, an alarming module and a keyboard module. The automatic detection device for the connection wire of the electrical experimental facility adopts the triodes to drive the relays, so that the circuit is simple in structure, the elements are less, the cost is low, the connection status among the terminals of the experimental facility can be automatically detected, the elements are protected effectively, and the reliability is high; the intelligent detection device is adopted, so that the workload of experiment advisors can be effectively reduced; once the detection device emits alarm information, students can find problems by themselves, so that the problem-solving ability of the students is effectively improved, and the quality of teaching is ensured. The automatic detection method and the automatic detection device for the connection wire of the electrical experimental facility are applicable to all electrical experimental facilities for teaching.

The invention belongs to the technical field of student behavior analysis, and discloses a student behavior analysis method and system based on big data analysis. The student behavior analysis systembased on big data analysis comprises a video monitoring module, a student information acquisition module, a main control module, a behavior track monitoring module, a learning duration prediction module, a student behavior evaluation module, a big data processing module and a display module. Group trajectory characteristics are analyzed from the perspective of a group through the behavior trajectory monitoring module, group behavior trajectories in the environment are described, and description of real behaviors in the trajectories and early warning of abnormal behaviors are achieved; Meanwhile, through learning duration prediction, accurate prediction of the student duration in advance is achieved, the teaching environment is improved according to prediction of the learning time, the technical effect of teaching quality is guaranteed, and the technical problem that in the prior art, the learning duration of the student cannot be predicted accurately in advance is solved.

The present invention provides a switch machine control unit integrated training platform, relating to railroad experiment training teaching equipment. The platform comprises a training table, a control cabinet and a main control circuit. The control cabinet is positioned on the training table by a support plate. A safety relay and a circuit breaker are positioned on the support plate. The operation control panel of the control cabinet is provided with a track light band, operation buttons, indication lamps, a signal repeater, a current meter and an LCD screen. The main control circuit comprises a power supply module, a switching unit module, a 6502 electric centralized control circuit, a computer interlock control circuit and a turnout control unit circuit. According to the training platform, the space occupation is small, the manufacturing cost is low, a plurality of experiment training programs can be carried out, the turnout control unit study and the computer interlock control principle study can be effectively carried out, and the field teaching needs of railway electrical work departments and railway colleges are satisfied.

The invention relates to a driver training management service system and method. The system is composed of a vehicle-mounted terminal, a registration platform, a vehicle monitoring platform and a driver training management platform. The vehicle-mounted terminal includes a course identification module for identifying a course type according to vehicle information collected by the vehicle-mounted terminal and a configured rule. The driver training management platform consists of a server, an effective learning period determination module, and an effective learning period screening module, wherein the effective learning period determination module and the effective learning period screening module are in communication connection with the server; the server is used for storing registration information, collected by the registration platform, of a student and receiving and storing student information and vehicle information that are collected by the vehicle-mounted terminal during training; the effective learning period determination module is used for determining effectiveness of the learning period based on the student information and vehicle information; and the effective learning period screening module is used for screening an effective learning period based on the student information and vehicle information. On the basis of multi-monitoring-way intersected and combined usage, the authenticity and students and effectiveness of the training learning period are verified; and an automatic training course identification function is realized.

The invention discloses an establishing method of campus student relation networks. The establishing method includes: collecting campus behavior data of students, establishing access time sequences of locations of the students and calculating co-occurrence frequencies of specific locations of every two students; through multiple shuffling of the access time sequences of the locations of the students, and establishing empty models to calculate the co-occurrence frequencies of every two students in a calculation random situation; through comparative analysis of the empty models, determining true co-occurrence frequencies of the locations of the students and generating the relation networks of the locations among the students; through a linear weighting method, aggregating the co-occurrence relation networks of all the locations. The co-occurrence frequencies of the students are considerably calculated from the access time sequences of the students, random co-occurrence situations of the students are filtered through the empty models, valuable data of the relation networks among the students is extracted, and an important role is played for student management staff in strengthening student management and understanding student characteristics and social-economic status.

The invention discloses a mathematics teaching board. The mathematics teaching board comprises a base, wherein two thread rods are symmetrically screwed to the edge of the base; the bottom ends of thethread rods penetrate through the base and are fixedly connected with the top end of a support seat; an anti-slide pad is attached to the bottom surface of the support seat; universal wheels are installed at the bottom end of the base; a hydraulic telescopic rod is fixedly arranged at the top end of the base; the hydraulic telescopic rod is connected with a hydraulic station through a pipeline; the hydraulic station is electrically connected with a hydraulic controller; and the hydraulic station and the hydraulic controller are fixedly arranged on the base. The mathematics teaching board disclosed by the invention can be freely moved to any position through the universal wheels, and can also be freely rotated and ascended or descended, so that more convenience is brought to a teacher in aprocess of drawing a geometric graph or drawing a function curve; a red board is used as a rear board, and a blackboard eraser capable of telescoping and freely rotating is adopted, so that the teacher is facilitated to use the blackboard eraser for erasing the unneeded contents in the teaching board; and moreover, due to the arranged angle scale and coordinate system board, the teacher is much facilitated to draw the geometric graph and the function curve, so that more time is saved.

The invention relates to an informatization teaching system and method based on school-enterprise cooperation project courses, and belongs to the technical field of education. The informatization teaching system based on the school-enterprise cooperation project course comprises a micro-cloud server and a user terminal which can realize data communication with each other. The micro-cloud server isused for transmitting, storing, analyzing and processing the teaching whole-process data generated by all the user terminals, such as teaching organization, teaching management, teaching implementation, teaching evaluation and teaching feedback, and feeding back the optimized data to the corresponding user terminals in the form of reports. According to the system, all user terminals are connectedtogether by using a cloud technology; mutual communication among students, teachers in schools, enterprise teachers and practical training managers is promoted, the system timely and effectively feeds back teaching information to the teachers, guides the teachers to rectify teaching, timely and effectively feeds back personal learning information of the students to the students, guides the students to complete knowledge point review, and facilitates implementation of school-enterprise cooperation project courses.

A digital language learning machine is composed of panel, display screen; button, shell including microphone socket, earphone socket and computer socket; circuit board including eleven components uch as CPU and DSP data processor, storage, controller, frequency oscillator, etc to be connected in signal flow direction; and electronic card as carrier for the machine.

The invention relates to an implementation method of a teaching plan editor. The implementation method of the teaching plan editor is characterized by comprising following steps that S01: a key frame of a video is marked, and the key frame comprises a time code of the key frame and a picture of the key frame of the video; S02: four charts are built in a data bank, a fist chart is a test chart, a second chart is a material chart, a third chart is a frame chart, a forth chart is a material test relation chart, and the fourth chart is composed of a main key of the material chart and a main chart which is used as an outer key of the test chart; S03: in the process of video playing, when the frame is marked, playing is suspended, and the picture of the frame is displayed, associated information of the first chart and the second chart is searched from the fourth chart by marking, data of the first chart and the second chart is called through the associated information, and when a student completes operation of the data, the video continues to be played. The implementation method can achieve the aim that in the playing process of the video, corresponding test and relative information are displayed according to requirements of a user, man-machine interaction is truly achieved, and the aim that when the student watches the video, the student can learn and is tested is achieved.

The invention discloses a predicting method and device for learning time length of students. The method comprises the steps of obtaining the historical network-surfing data and the historical positioninformation of students; obtaining the historical daily-activity data of students based on the historical network-surfing data and the historical position information, and obtaining the historical learning time length of students based on the historical position information; adopting a deep learning algorithm to establish a learning time length predicting model based on the historical daily-activity data and the historical learning time length; predicting the further learning time length of students based on the learning time length predicting model. The invention resolves the technical problem of the prior art that the learning time length of students cannot be accurately predicted in advance.

The invention discloses an online education platform constructing virtual startup of business and the method of implementing the same. The education platform uses an O2O mixed education mode for teaching and comprises a main control module, a course outline compiling module, a micro-course recording module, a micro-course processing module, a micro-course saving module, a micro-course uploading module, a micro-course classifying module, an online self-taught module, an offline interactive learning module and a result analyzing module. The online self-taught module comprises a credit adding module unit, a step-passing mode unit and a socially interactive learning unit. The result analyzing module comprises a scoring unit, a questionnaire unit and a data analyzing unit connected in sequence. The online education platform constructing virtual startup of business proposed by the invention uses an O2O mixed education mode for teaching and creates an innovative startup education supporting platform and a startup hatching service platform, which develops the initiatives for learning of the students so that the students could learn for better effect and that the teaching quality is ensured. Therefore, the platform and the method are worth promoting widely.

The invention discloses a network teaching system for extracurricular tutoring, which comprises an information identification module, a three-dimensional scene simulation module, an equipment automatic detection module, a pre-class preparation module, an online classroom module and an after-class management module; the information identification module acquires user identity information through face identification; the three-dimensional scene simulation module is used for constructing a three-dimensional teaching model; the equipment automatic detection module is used for automatically detecting class equipment before class; the pre-class preparation module publishes pre-class preparation information before class; the network classroom module realizes network video teaching, network live broadcast teaching and classroom interactive communication; and the after-class management module is used for publishing after-class homework, submitting the after-class homework and managing correctedhomework. The system can track the whole course before, during and after class, guarantees the teaching quality, carries out the three-dimensional simulation of the teaching process, improves the sense of reality and immersion of teaching, and stimulates the learning interest of students.

The invention discloses a university multimedia equipment management and control system for multi-terminal application integration, which comprises a photographing unit, a local teaching unit, a second projection unit, a first wireless receiving unit and a control unit, wherein the photographing unit is used for acquiring a real-time image of students attending a class in a classroom; the local teaching unit is used for enabling a teacher to perform teaching in the classroom and comprises a computer host, a computer display screen and a mouse; the second projection unit is used for projecting a picture displayed on the computer display screen; the first wireless receiving unit is used for receiving teaching image signals transmitted by a remote teaching terminal through a second wireless transmitting unit; and the control unit is used for processing the teaching image signals to an image capable of being analyzed by the first projection unit. The university multimedia equipment management and control system for multi-terminal application integration comprises a local teaching mode and a remote teaching mode, the remote teaching mode realizes the purpose of sharing high-quality teacher resources on the premise of ensuring the teaching quality, the teacher strength in poor and remote areas can be greatly improved, and the education level is improved.

The invention belongs to the field of teaching systems, and particularly relates to an electronic circuit foundation experimental teaching method and system with a data correction function.The systemcomprises experimental equipment, a server and a client, the experimental equipment comprises instruments and circuit components related to electrical and electronic foundation experiment, and is usedfor students to connect actual circuits;the server is used for comparing data, storing and providing teaching circuit diagrams, storing experimental data, and transmitting results of the comparing data to the client;the client is used for students to input measured data, and displaying the teaching circuit diagrams and the results of data comparison;the client is arranged on the experimental equipment; and the client is connected with the server. The system frees experimental faculty advisers from low-level repetitive work of checking and comparing the measured data, and realizes automatic evaluation of the measured data of the students,intensity of the low-level work is reduced and more energy to guidance of experimental process of the students is devoted.

The invention discloses a teaching management system and a management method thereof, relates to the technical field of teaching, and aims to solve the problem that an existing teaching management system cannot provide targeted review tutoring for students, and provides the following technical scheme: the teaching management system comprises a storage module for storing teaching resources; a teaching module which is used for uploading teaching materials, wherein the teaching materials are teaching resources called by the storage module and / or teaching schemes uploaded through the teaching module; a learning module which is used for receiving the teaching materials, completing learning tasks and collecting learning data in the learning process; an analysis module which is used for analyzing and processing the learning data based on a preset analysis rule to generate a learning condition analysis report; a matching module which is used for calling the teaching resources in the storage module based on the analysis report and sending the teaching resources to the learning module; and a judgment module which is used for obtaining a judgment result based on a preset judgment rule and the analysis report and sending the judgment result to the teaching module.

The invention provides an automatic identifying and monitoring system for assisting teaching in a driving school, which relates to an automatic identifying and monitoring system, and is used for solving the problem that a coach is required to monitor personally during teaching in the driving school. The automatic identifying and monitoring system for assisting teaching in the driving school comprises an RFID (Radio Frequency Identification Device) electronic tag, an RFID reader, an audio output device, a data display device and a power supply module. I, the RFID reader is used for transmitting a radio-frequency signal, and the RFID electronic tag is used for receiving the radio-frequency signal; II, the RFID reader is used for reading the received signal to obtain the inquiry address of a corresponding voice segment; and III, the voice segment is played through audio output equipment, and operations are displayed through a connected data display device. The automatic identifying and monitoring system can be applied to the field of automatic identifying and monitoring system for use in driving schools.

The invention provides a teaching content sharing method based on a two-dimensional code, a device thereof and teaching equipment, wherein the method comprises the steps of establishing a data communication connection with each terminal; performing controlling on the terminal so that the terminal operates a preset program; transmitting the teaching content to the terminal; acquiring interaction information; and transmitting the interaction information to the terminal. According to the method, after the data communication connection is established, controlling is performed on the terminal; andafterwards the teaching content is shared to each terminal so that only the shared teaching content is displayed on each terminal; and furthermore the interaction information is transmitted to each terminal in real time. The teaching content sharing method, the device thereof and the teaching equipment can improve interaction between the terminal and the teaching equipment so that the teaching equipment has relatively high applicability.

The invention discloses an intelligent vehicle ordering system of a driving school. The intelligent vehicle ordering system comprises a driving school management system, a mobile terminal and a vehicle-mounted system, wherein the mobile terminal and the vehicle-mounted system are connected with the driving school management system through a wireless communication network; the driving school management system comprises a driving school server and a driving school background system; the driving school server comprises an ordering timing management system, a student ordering evaluation system, an intelligent message system, a total score marketing system, a calling center system and a report calculation system; the mobile terminal comprises a student terminal and a teacher terminal; the vehicle-mounted system comprises a voice playing module and a GPS (global positioning system) positioning module. The intelligent vehicle ordering system has the characteristics that a student can quickly order and evaluate through the student terminal, the ordered teacher and course information are uploaded to the driving school management system, and the ordered information is sent to the teacher terminal through the driving school management system; the ordering is convenient and quick; the management on the students by the driving school is improved, the degree of supervision on the teachers is improved, and the teaching quality is guaranteed.

The invention discloses Chinese teaching outdoor display equipment, which comprises a box body, an angle adjusting device, a first display device and a second display device. The angle adjusting device is arranged at the upper end of the box body, and a T-shaped frame is arranged at the top end of a supporting column in the angle adjusting device; and the second display device is arranged at the front end of the T-shaped frame, and the first display device is arranged on the left side of the T-shaped frame. The Chinese teaching outdoor display equipment is simple in structure, convenient to move and use, complete in function and comprehensive in display, and brings great convenience to using by a user, according to using demands, the optimal displaying angle of the equipment can be achieved through the angle adjusting device, through arrangement of the first display device, the second display device and a writing board, multi-element and multi-mode image-text writing display is conducted on the teaching content, the teaching quality is ensured, the working burden of personnel is relieved, and the Chinese teaching outdoor display efficiency is improved.

The invention relates to the technical field of same-screen sharing, in particular to a remote classroom interaction method and device, computer equipment and a storage medium. The remote classroom interaction method comprises the following steps of: if courseware data uploaded by a teacher terminal is obtained, normalizing the courseware data to obtain courseware pictures corresponding to the courseware data, and taking all the courseware pictures corresponding to the courseware data as a courseware picture data set; if a class message is acquired, acquiring a course identifier from the classmessage, and acquiring a corresponding courseware picture data set according to the course identifier; sending the courseware picture data set to a teacher terminal and a student terminal; if a classroom control instruction triggered by the teacher terminal is obtained, synchronously sending the classroom control instruction to the student terminal; and if a classroom interaction instruction triggered by the student terminal is obtained, sending the classroom interaction instruction to the teacher terminal. According to the invention, the network teaching quality can be improved.

The invention discloses a multifunctional auxiliary device for mathematics teaching. The multifunctional auxiliary device comprises a base. Multiple universal wheels are arranged at the bottom end ofthe base. A supporting rod is fixedly arranged at the center position of the top end of the base. The top end of the supporting rod is rotationally connected with a supporting frame. Two protruding blocks are symmetrically and fixedly arranged on the side wall of the supporting rod and are in screw joint with bolts. The bolts penetrate the protruding blocks and are in screw joint with the bottom end of the supporting frame. Two positioning vertical rods are fixedly arranged on the inner opposite layers of the supporting frame, and a U-shaped demonstration plate A and a U-shaped demonstration plate B are arranged between the two positioning vertical rods. By means of the multifunctional auxiliary device for mathematics teaching, a demonstration plate body is divided into a front-face demonstration plate and a back-face demonstration plate, both double faces are applicable, limited space is reasonably utilized, in addition, the forming process of cycloids with different sizes can be visually displayed, and measuring is facilitated; in addition, a coordinate disc is arranged, drawing and teaching of various curves in mathematics teaching can be effectively ensured; and furthermore, arandom experimental device is arranged, multiple times of repeated operation are conducted, and therefore probability events can be demonstrated more visually.

The invention discloses a platform lifter special for a lab platform, which comprises a top plate (1), a lifting plate (2) and a mounting frame (3). An upper protective sleeve (4) and a lower protective sleeve (5) which are coaxial are arranged on the lower side of an upper wall and the upper side of a lower wall of the mounting frame (3) respectively, each of the upper protective sleeve (4) and the lower protective sleeve (5) is provided with an internal nut (6) movably connected with the upper protective sleeve (4) or lower protective sleeve (5), a screw (7) meshed with the nuts (6) is arranged in the nuts (6), the upper end of the screw (7) vertically penetrates through the nuts (6) to be connected with the lifting plate (2), a driven wheel (8) fixedly connected with the nuts (6) is sleeved outside the nuts (6), a drive wheel (9) meshed with the driven wheel (8) is arranged on one side of the driven wheel (8) and fixed on a drive shaft (10), one end of the drive shaft (10) is movably connected to the lateral wall of the mounting frame (3), and the other end of the drive shaft (10) horizontally penetrates through the mounting frame (3) to be connected with a crank (11). The platform lifter special for the lab platform is high in practicality and wide in application range.

The invention discloses a children English enlightenment teaching aid. The teaching aid comprises a backboard, a pedestal, letter blocks, an eraser and a remote controller. A middle portion of the backboard is provided with a magnetic wordpad. A left side is provided with 26 English letter grooves and two rectangular grooves. Magnetic boards are arranged in the grooves. And a right side of the backboard is provided with a magnetic pen. An upper portion of the backboard is provided with a signal receiver, an inductor, a signal emitter and a voice broadcasting device. The pedestal is arranged at a middle position of a backboard bottom side. Back sides of the letter blocks are fixed with magnets and the letter blocks are adsorbed on the letter grooves through the magnets. Two side magnetism of the eraser is an N pole and an S pole respectively and the eraser is adsorbed on the rectangular groove A through the magnetism. A back side of the remote controller possesses a magnet and the remote controller is formed by an encoder circuit, an English phrase control button, an English short sentence button and a Chinese translation button. The teaching aid is durable and portable and possesses low-carbon and environmental protection performance. And English visual-audio-write teaching can be simultaneously developed.

The invention discloses a self-cleaning blackboard. The self-cleaning blackboard comprises a support, a sliding frame capable of transversely sliding along the support is arranged on the support, a drive nut is arranged on the sliding frame, a moving motor and a screw are arranged on the support, the screw is connected with a shaft of the moving motor, a wiping device, a cleaning device and a drying device are arranged on the sliding frame, a drive device and multiple blackboard units are arranged on the support, and the drive device provides power for rotation of the blackboard units. The blackboard has the beneficial effects of being reasonable in structural design and convenient to use; wiping, cleaning and drying of blackboard scripts on the front face and the reverse face can be achieved, the blackboard cleanness is improved, the blackboard teaching quality is ensured, through the drive device, rotation of all blackboard units is controlled, and manufacturing cost is saved.

The invention discloses a remote video teaching quality evaluation method and system based on machine vision. The method comprises the following steps of obtaining a face image, a learning state imageand a classroom scene image of each student; matching the periodically acquired face images with a preset face sample library after 3D transformation to obtain student identity information; transmitting the periodically acquired student learning state images to a pre-trained deep neural network model to obtain the learning behavior of each student; and performing real-time image processing on theclassroom scene image to obtain personnel exception aggregation information. After learning is finished, statistics and analysis are carried out on student identity information and learning behaviors, attendance and learning quality scores and comments of the students are obtained according to attendance and learning quality evaluation rules, and automatic student attendance of remote teaching isachieved; based on the remote teaching monitoring method, automatic attendance checking, automatic learning quality evaluation and teaching order maintenance of students in remote teaching are completed.

The invention discloses an intelligent multimedia Android online teaching all-in-one machine, which comprises a box body; a rotary disc is arranged at the top of the box body; a sleeve is fixedly connected to the top of the rotary disc; a connecting rod is arranged in an inner cavity of the sleeve; a limiting block is fixedly connected to the bottom of the connecting rod; grooves are formed in thetwo sides of the limiting block; springs are fixedly connected to the sides of inner cavities of the grooves; and clamping blocks are fixedly connected to the sides, away from the grooves, of the springs. The box body, the rotary disc, the sleeve, the connecting rod, the limiting block, the grooves, the springs, the clamping blocks, the clamping groove, the all-in-one machine body, the rotating rod, a driven gear, a motor and a driving gear are used in cooperation; the problems that traditional on-line teaching all-in-one machine equipment is poor in flexibility and inconvenient to adjust theangle and the height in the using process can be effectively solved, the angle can be automatically adjusted through the device, meanwhile, rising can be conveniently conducted according to using requirements, and the teaching quality is guaranteed.

The invention discloses a high school biological microscope. The high school biological microscope comprises a base; a microscope column is welded on the middle part of the upper surface of the base;the microscope column is hinged with the lower end of a microscope arm; the left side surface of the lower end of the microscope arm is provided with an object stage; the left side surface of the microscope arm at the lower side of the object stage is provided with a reflector; and the upper end of the microscope arm is provided with a tube. According to the high school biological microscope disclosed in the invention, the side surface of the tube is provided with a camera, the camera and a display screen are matched for displaying a biological microscopic image, the magnification times are increased, the display is more clear, after a teacher uses an eyepiece for observation and demonstration, students make consultation through the biological microscopic image presented on the display screen, the students do not need to use the eyepiece one by one, the efficiency is improved, the progress of the classroom is quickened, the teaching effects are ensured, the eyepiece and the camera areswitched for use through a reflector panel, the adjustment is convenient, use in multiple teaching situations is facilitated, accurate interaction between the teacher and the student is ensured, and the teaching quality is improved.

The invention provides a teaching information displaying and issuing device, and particularly relates to the technical field of a teaching auxiliary tool. The teaching information displaying and issuing device comprises a seat frame, wherein the seat frame is of a U-shaped structure; clamp grooves are symmetrically formed in the right sides of the upper wall and the lower wall of an inner cavity of the seat frame; a host machine is arranged between the two clamp grooves; a base is arranged at the front side of the top end surface of the seat frame; a display screen is arranged on the base; thedisplay screen and the host machine are connected; the display screen comprises a main display screen and two sub display screens; the main display screen is arranged in the center of the top end surface of the base; the two sub display screens are arranged at the left and right sides of the main display screen in a way of being symmetrical to each other; each sub display screen is in inclined arrangement; and the main display screen and the sub display screens are connected with the host machine. The teaching information displaying and issuing device has the advantages that through the hostmachine, a great number of teaching materials can be directly uploaded; the teaching materials can be synchronously played at the same time through the main display screen and the sub display screens;the short-time playing and teaching of a great amount of textbook information can be realized; meanwhile, the Internet can be directly connected through the host machine for performing filed supplementary teaching; and the teaching convenience is improved.

The invention discloses a teaching speech explanation system based on a wireless network, including a teaching server, a teacher mobile end and a student mobile terminal;, the login module transmits the teacher to the teaching server after logging in, the teaching server transmits the teaching data to the teacher mobile terminal, the students sign in from the sign-in module and transmit to the teaching server, the teaching server transmits the student sign-in information to the teacher mobile terminal, The teacher will mark the teaching materials through the No. 1 touch display module and pushthe information to the No. 2 communication module in real time through the No. 1 communication module, and the No. 1 communication module is connected with the No. 2 communication module in real timeso that the contents of the teacher's mobile terminal are consistent with the contents of the student's mobile terminal at all times. The invention has the advantages of high teaching efficiency, high teaching quality, convenient operation, clear voice and highly reducing reality teaching, and is mainly used for network teaching.