介绍了齿轮范成运动动态显示原理与程序设计，以及实验内容的安排。
The principle of dynamic showing of gear enveloping movement, program design and the arrangement of the experiment content were presented.
介绍了齿轮范成运动动态显示原理与程序设计，以及实验内容的安排。
The principle of dynamic showing of gear enveloping movement, program design and the arrangement of the experiment content were presented.
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