A Mathematical Model Teaching Optimization Method
A technology of teaching optimization and mathematical model, applied in the field of teaching, can solve the problems of inconvenience in class, large teaching volume, inconvenient to carry, etc., to achieve the effect of easy movement and installation, improved teaching quality, and easy portability
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[0042] As an embodiment of the present invention, one side of the cover plate 45 is fixedly connected to one end of the ferrule 51; The edge of the inner hole of the sleeve 43 is in contact; during use, one end of the chalk is pressed in the fixed sleeve 43 through the ferrule 51, on the one hand, it is ensured that the chalk will not rotate relative to the fixed sleeve 43 when the rotary cutter head 41 cuts the chalk, and then the rotary knife The head 41 effectively cuts the chalk, and on the other hand ensures that the chalk will not swing when drawing the cycloidal trajectory, thereby ensuring the accuracy of the cycloidal trajectory and further improving the accuracy of the demonstration.
[0043] As an embodiment of the present invention, an annular airbag 52 is provided between the tapered buckle 511 of the ferrule 51 and the cylindrical surface of the ferrule 51; An annular air bag 52 is arranged between the cylindrical surfaces of 51, on the one hand, it ensures the d...
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