人的运动特性, 其步行速度具有波动性, 用正弦曲线拟合, 可得到很高的置信度, 并得出结论: 单脚支撑转换成双脚支撑时人的躯体速度最快, 双脚支撑转换成单脚支撑时速度最慢。-The motion characteristics of the person, their walking speed with volatility, fitted with a sinusoidal curve, a high degree of confidence can be obtained, and con