We put forward the best index range and speed distance curve, thus providing some references and advises in sprint training and teaching.

并提出了最佳的指数范围和速度距离曲线，从而为短跑教学与训练提供参考。

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The system can simulate the executive process of nc programme files, and realize the simulation of speed and acceleration curve, and process time and distance with the unit of controlling period.

该仿真系统不仅可以用于仿真NC程序文件的执行过程，而且实现了以控制周期为单位，对速度、加速度曲线以及加工时间、加工距离的仿真。

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Appropriate pitch curve designing is a key of regularly working for non-circular planetary gear mechanism with variable center distance which can be used in low speed high torque hydraulic motor.

合理的节曲线设计是可用于低速大扭矩液压马达的变中心距非圆行星齿轮机构正常工作的关键。

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