By forecasting the length of the elastic rope with linear regression anslysis, test vehicle's speed can be controlled ac用线性回归统计的方法预测橡皮绳拉伸长度，精确地控制了开环状态的试验车的碰撞速度。
【机械工程】用于同时抽吸液体和弹性流体的非正位移活塞泵non-positive-displacement pump for pumping liquids and elastic fluids at the same time