乘客们要在一台特殊的机器上做深蹲，这台机器能识别使用者的姿势是否正确。
Riders perform the squats in front of a special machine which can tell if the person is in the correct position.
采用测力台与肌电同步的方法对4名一级短跑运动员的蹲踞式与站立式起跑动作进行了运动生物力学分析。
By using the biomechanical method of force platform and electromyography, the author studies the movement of crotch and standing start for 4 elite athletes.
乘客们要在一台特殊的机器上做深蹲，这台机器能识别使用者的姿势是否正确。
Riderss perform the squats in front of a special machine which can tell if the person is in the correct position.
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