33results about How to "Improve presentation efficiency" patented technology

The invention discloses a teaching aid for demonstrating the arc length between two equally latitudinal points of a spherical surface. The teaching aid comprises a supporting structure, a connecting mechanism and a measuring mechanism. The measuring mechanism comprises supporting warps, supporting wefts and an upper supporting seat, wherein the supporting warps and the supporting wefts are uniformly distributed. The supporting wefts are fixedly arranged on the upper hemisphere of the supporting warps. A second supporting rod is fixedly arranged on the connecting mechanism. The other end of the second supporting rod is connected with a third supporting rod. The end part of the third supporting rod is connected with a fourth supporting rod through a connecting rod. The connecting rod is hinged to the third supporting rod. The other end of the fourth supporting rod is fixedly provided with a fan-shaped measuring ruler. According to the invention, the arc length between two equally latitudinal points of the spherical surface can be quickly measured, and the calculation time is saved. Meanwhile, an infant or a pupil can more intuitively feel the difference between the arc length and the straight length between the two points of the spherical surface, so that the demonstration efficiency of the arc length on the spherical surface is greatly improved. The understanding of students on the flight route of an aircraft is enhanced.

The invention provides a control method for a single machine in an edge computing data center and the single machine. The stand-alone machine includes a cabinet, and an air conditioning device is arranged in the cabinet, and the air conditioning device is used to adjust the air environment in the cabinet. The control method includes: when the stand-alone machine is running, the sensor acquires information about the cabinet, The cabinet information includes cabinet internal temperature value T, cabinet humidity value H and cabinet CO2 concentration value C; according to the cabinet internal temperature value T, cabinet humidity value H and cabinet CO2 concentration value C detected by the sensor, the air outlet value M is calculated ; According to the size of the air outlet value M, it is judged whether the single unit meets the air volume adjustment condition; if so, the grid structure density at the air outlet of the air conditioning device is adjusted to realize the adjustment of the air volume of the air conditioning device. The invention can solve the technical problem that the use efficiency of the single machine is affected due to heat generated during the operation of the single machine.

The present invention discloses a teaching aid for demonstration for an arc length between two points with different spherical latitudes and longitudes. The teaching tool comprises a support structure, a connection mechanism and a measurement mechanism. The measurement mechanism comprises uniformly distributed support longitude lines, support parallel lines and an upper supporting seat, a second support bar is fixedly installed on the connection mechanism, the other end of the second support bar is located at the centre of the sphere of a semi-spherical holding cavity, the end portion of the second support bar is connected with a third support bar through a spherical pair, a sector measuring ruler is fixedly installed at the other end of the third support bar, and the arc-shaped end face of the sector measuring ruler is pasted to the spherical surface of the semi-spherical holding cavity. The teaching aid for demonstration for the arc length between two points with different spherical latitudes and longitudes can rapidly measure the arc length between two points located at the spherical surface to save the calculation time, allow children or pupils to more visually feel the arc length between the two points located at the spherical surface and the straight length between the two points located at the spherical surface, greatly improve the demonstration efficiency of the spherical surface arc length and enhance the students' understanding to the course lines.

The present invention discloses a teaching aid for demonstration for an arc length between two points with different spherical latitudes and longitudes. The teaching tool comprises a support structure, a connection mechanism and a measurement mechanism. The measurement mechanism comprises uniformly distributed support longitude lines, support parallel lines and an upper supporting seat, a second support bar is fixedly installed on the connection mechanism, the other end of the second support bar is located at the centre of the sphere of a semi-spherical holding cavity, the end portion of the second support bar is connected with a third support bar through a spherical pair, a sector measuring ruler is fixedly installed at the other end of the third support bar, and the arc-shaped end face of the sector measuring ruler is pasted to the spherical surface of the semi-spherical holding cavity. The teaching aid for demonstration for the arc length between two points with different spherical latitudes and longitudes can rapidly measure the arc length between two points located at the spherical surface to save the calculation time, allow children or pupils to more visually feel the arc length between the two points located at the spherical surface and the straight length between the two points located at the spherical surface, greatly improve the demonstration efficiency of the spherical surface arc length and enhance the students' understanding to the course lines.

A presenter includes a main body, a light source, a pointing input unit and a wireless transmission unit. The light source can be a laser diode or any other light-emitting element capable of emitting a laser beam. The pointing input unit can be a magnetically sensitive pointing unit or an optical cursor controller. The pointing input unit is operable to output a pointing control signal to a host via the wireless transmission unit. The presenter is capable of projecting a laser beam and controlling a cursor of the host device via the wireless transmission unit.

The invention discloses a teaching aid for demonstrating the arc length between two equally latitudinal points of a spherical surface. The teaching aid comprises a supporting structure, a connecting mechanism and a measuring mechanism. The measuring mechanism comprises supporting warps, supporting wefts and an upper supporting seat, wherein the supporting warps and the supporting wefts are uniformly distributed. The supporting wefts are fixedly arranged on the upper hemisphere of the supporting warps. A second supporting rod is fixedly arranged on the connecting mechanism. The other end of the second supporting rod is connected with a third supporting rod. The end part of the third supporting rod is connected with a fourth supporting rod through a connecting rod. The connecting rod is hinged to the third supporting rod. The other end of the fourth supporting rod is fixedly provided with a fan-shaped measuring ruler. According to the invention, the arc length between two equally latitudinal points of the spherical surface can be quickly measured, and the calculation time is saved. Meanwhile, an infant or a pupil can more intuitively feel the difference between the arc length and the straight length between the two points of the spherical surface, so that the demonstration efficiency of the arc length on the spherical surface is greatly improved. The understanding of students on the flight route of an aircraft is enhanced.

The invention discloses a method, mobile equipment, desktop computer equipment and a system for document presentation based on cloud. The method for the document presentation comprises the steps that: Step 101, the mobile equipment sends an authentication request to the desktop computer equipment and a cloud server; the cloud server verifies the authentication request according to preset authorization information; if the verification passes, the cloud server sends verification passing identification to the desktop computer equipment; and the desktop computer equipment records and sends the verification passing identification to the mobile equipment; Step 102, the mobile equipment browses and selects a document stored in the cloud server, sends a link of the selected to-be-presented document and the verification passing identification to the desktop computer equipment to allow the desktop computer equipment to verify presentation authority of the mobile equipment again, and downloads the to-be-presented document from the cloud server according to the link; and Step 103, the mobile equipment sends control instructions and the verification passing identification to control the desktop computer equipment to present the to-be-presented document. With the adoption of the technical scheme, the security of the document presentation is ensured.

The invention discloses a professional multimedia podium for art design, which comprises an iron coat support part and a storage part. The interior of the iron coat support part is hollow, the lower end of the iron coat support part is open, and the inner wall and The upper surface of the bottom plate is connected by a height adjusting member, the storage member includes a winding column, the upper end of the winding column is fixed with an upper plate, the middle position of the lower surface of the winding column is fixedly connected with the upper end of the connecting screw, and the lower end of the connecting screw passes through the hole on the lower plate. It is perforated and threaded with nuts, and the winding post is wound with a flexible magnetic strip. The user sticks the flexible magnetic strip on the outside of the jacket, which is convenient for the user to mark the key routing, and the user does not need to use a marker pen to paint on the jacket, reducing the workload of the user ; The height of the iron top support is convenient to adjust, which improves the user's demonstration efficiency.

The invention provides a gear fan forming instrument. The gear fan forming instrument includes a base plate, a control control circuit module, a driving motor, a transmission gear, a reduction gear, a rack, a slider and a bearing. The base plate is provided with a guide rail groove. , the slider is provided with a guide rail, the guide rail is matched and connected to the guide rail groove, the rack is fixedly connected with the slider, the motor is fixed on the bottom plate of the base, the control module and the The drive motor is connected, the reduction gear is fixed on the bottom plate of the base through the bearing and meshed with the transmission gear and the rack at the same time, and the transmission gear is fixed on the motor shaft of the drive motor , the gear fan provided by the present invention can realize the control of the sliding distance of the slider, so that each time the moving distance is equal, there is no need to reciprocate the moving distance, the drawn tooth profile is clear and distinct, and the electronically controlled automatic transmission is realized. , improving the drawing efficiency.

The invention discloses a hydraulic practical training platform, which comprises a base, side columns are fixedly connected to the two sides of the top of the base, a top plate is fixedly connected between the two side columns, a vertical hydraulic assembly is arranged on the top plate in a penetrating mode, a pressing disc is installed at the bottom of the hydraulic assembly, and a plurality of pressing rods are evenly distributed on the bottom face of the pressing disc in the circumferential direction; a motor is arranged in the base; according to the invention, different samples are placed in different trays, so that more people can watch the samples at the same time, the demonstration efficiency is improved, through the cooperation of a cross-shaped frame and a cross-shaped groove, the trays can rapidly move downwards for a certain distance, students can watch the samples before the pressure plate rises to the initial position, the demonstration efficiency is further improved, the teaching quality is improved, a rotating disc is driven by the motor to rotate for half a circle, so that the positions of the samples on the front side and the rear side can be changed, students can watch the samples at a closer distance, the watching effect is ensured, a material disc keeps a smaller distance from the pressing disc again after the material disc rises, and the next demonstration efficiency is improved.

The invention discloses a hydraulic training platform, which includes a base, side columns are fixedly connected to both sides of the top of the base, a top plate is fixedly connected between the two side columns, and vertical hydraulic components are arranged on the top plate. A pressure plate is installed at the bottom of the assembly, and a plurality of pressure rods are evenly distributed along the circumferential direction on the bottom surface of the pressure plate; a motor is arranged inside the base; in the present invention, by placing different samples in different material trays, more people can watch them at the same time , improve the efficiency of the demonstration, and through the cooperation of the cross and the cross groove, the material tray can be moved down quickly for a certain distance, and the trainees can finish watching before the pressure plate rises to the initial position, which further improves the efficiency of the demonstration, and through The motor drives the rotating disk to rotate half a circle, so that the front and rear samples can be exchanged, so that students can watch at a closer distance, ensuring the viewing effect. Efficiency for your next presentation.

Embodiments of this application disclose a target object rendition method performed by an electronic device having a camera and a display screen. The electronic device photographs an entity card by using a camera. From the photograph, the electronic device obtains a to-be-recognized target object that is printed on the entity card and then image interpretation data of the to-be-recognized target object, the image interpretation data being used to reflect a feature of the to-be-recognized target object. After matching the image interpretation data with prestored image interpretation data, the electric device obtains a prestored target object corresponding to prestored image interpretation data matching the image interpretation data. Finally, the electronic device invokes an application (e.g., a computer game) associated with the prestored target object (e.g., a virtual character of the computer game) and renders, using the application, the prestored target object on the display screen.

A device displays a first page of a set of related content on the display. While displaying the first page on the display, the device detects an operation action performed by a user for switching from the first page to a second page of the set of related content. In response to detecting the operation action performed by the user: the device slides the first page of the set of related content in a first direction off the display, the device slides additional information that is distinct from the second page of the set of related content onto the display in the first direction, while the first page is sliding off the display, and the device displays the second page of the set of related content after at least a portion of the additional information is displayed on the display for at least a preset threshold amount of time.

The invention discloses a medical data demonstration system for preoperative visit in the oncology department in the technical field of preoperative visit medical data demonstration systems. A data comparison processing module is in electrical output connection with an illness state evaluation and prediction module, and the illness state evaluation and prediction module is in electrical output connection with a physiotherapy anesthesia evaluation module; the physiotherapy anesthesia evaluation module is in electrical output connection with an operation auxiliary treatment suggestion module, the operation auxiliary treatment suggestion module is in electrical output connection with a data transmission module, the data transmission module is in electrical output connection with a wireless network local area network system bus, and the wireless network local area network system bus is in electrical output connection with a data calling module. The data calling module is in electrical output connection with a patient physiological status information acquisition module, an optimal scheme of related preoperative preparation and anesthesia operation is formulated in advance, meanwhile, the doctor-patient cooperation efficiency of the patient in the operation is improved, and the rehabilitation efficiency of the patient after the operation can be improved.

The present invention belongs to the technical field of probability demonstration, specifically a mathematical probability demonstration device, comprising a box, the bottom wall of the box is provided with a rectangular groove, and a spring plate is hinged at the rectangular groove, and one end of the spring plate is hinged on The rectangular groove is close to one end of the middle part of the bottom wall of the box body, the other end of the spring plate is close to the inner cavity edge of the box body and rotates freely, the top of the spring plate is provided with a guide groove, and the depth of the guide groove at the end far away from the hinge point of the spring plate is greater than The depth of one end close to the hinge point of the spring plate, the width value of the end of the guide groove away from the hinge point of the spring plate is smaller than the width value of the end close to the hinge point of the spring plate; the present invention marks different colors on both sides of the disc, and through the color The recognizer recognizes the color on the disc, so that the results of disc throwing can be counted accurately and quickly, replacing the manual counting method, making the counting process fast and efficient, and reducing possible errors and errors in the counting process, thus ensuring the accuracy of the probability.

The invention discloses a physical experiment demonstration equipment for middle school education, which solves the problem of too long pause time caused by the replacement of the demonstration aluminum sheet. The lower end of the round tube is provided with a docking movable column, the upper end of the base is provided with a docking hole, the docking movable column penetrates the docking hole and is connected with the nut, the upper end of the round tube is connected with an assembled support frame, and the upper end of the assembled support frame is connected There is a connection structure, the connection structure is connected with a rotating seat, and the rotating seat includes a rotating head, a fixed pipe, a screw rod for the first demonstration of the connection of the aluminum sheet and a screw rod for the second demonstration of the connection of the aluminum sheet; a physical experiment for middle school education of the present invention Demonstration equipment, using a rotating seat to connect two demonstration aluminum pieces, can rotate the two demonstration aluminum pieces, and then facilitate the demonstration operation of the demonstration aluminum piece and the magnet for electromagnetic damping demonstration, improve demonstration efficiency, and save demonstration aluminum piece replacement time.

The invention provides a photoelectric stable tripod head for teaching and a testing method of the tripod head. A required hardware foundation can be provided for stable teaching of the tripod head, moreover, a three-phase plug independent power supply design is adopted, teaching demonstration of servo control algorithms such as magnetic field orientated control, inertia stable control and speed and position control can be carried out, after being developed and fixed on an embedded industrial control machine, the algorithms can be transplanted in an embedded chip for further designing a product, teaching demonstration is facilitated, and the demonstration efficiency is improved.