average velocity squared of a molecule 翻译

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• average velocity squared of a molecule 翻译
• average velocity squared of a molecule 翻译
• 英语翻译Under which of the following conditions is the magnitude of the average velocity of a particle moving in one dimension smaller than the average speed over some time interval?A.A particle moves in the +x direction without reversing.B.A particle moves in the -x direction without reversing.C.A particle moves in the + x direction and then reverses the direction of its motion.D.There are no conditions for which this is true.
• 数学、函数单位翻译The units off the frequency response function are metres per second squared per degree for lateral acceleration,degree per second per degree for yaw velocity,degree per degree for roll angle and newton metres per degree for steering-wheel torque. 里面很多per degree 而且连着那么长怎么翻译
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