变换: vary; alternate; commutation ...速度: velocity; speed; blast; bat时: shí]的: 4次方是 The fourth power of 2 i ...撞击: impact; ram; dash against; s ...变换速度: change of pace摔机着陆时的撞击: crash-landing impact水上迫降时的撞击: ditching impact小角速度时的配平: low-rotation trim对……的撞击: impact on/ upon疯狂的撞击: a frantic dash rush search etc变换速率: transformation rate光学换速度: optical transition rate光转换速度: optical transition rate交换速度: exchange velocity热交换速度: rate of heat exchange数转换速度: analog transducer转换速度: conversion rate; conversion speed; switching speed; switchingspeed; translatory speed转换速度, 转换速率: slew rate俯冲极限速度时的发动机转速: terminal velocity engine speed打料横杆的撞击架: knockout bracket典型的撞击形式: the normal strike pattern对……的撞击,巨大影响: impact on/ upon; impacton/upon激流对海岸的撞击: the impact of the swift current against the shore离子的撞击频率: collision frequency of ion