acceleration leg加速段accelerationn.加速；促进；加速度Acceleration of suspending point悬点加速度acceleration-controlled system加速调节系统,加速驾驶装置Acceleration of free falling body自由落体加速度acceleration of substance recycle加速物质循环acceleration-deceleration trial加速减速试航acceleration magnification factor加速度放大系数acceleration physiological effect加速度生理影响acceleration of charged particles带电粒子加速acceleration time constant of unit机组加速时间常数acceleration/deceleration curve升降速曲线