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。
We put forward the best index range and speed distance curve, thus providing some references and advises in sprint training and teaching.
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。
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.
随着流向距离的增大，速度功率谱(PSD)曲线呈现峰值向低频移动的现象。
With increasing longitudinal distance, the velocity Power Spectral Density (PSD) peak shifted to lower frequencies.
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