本文从质点组力学中能量转换的角度讨论蛇运动的动力的性质。
In this paper, from the view of transformation of energy, we discuss the properties of power in the motion of snakes.
答案是地球运动的动力学,顺便说一下,这也是导致冰河时代的原因。
The answer is the dynamics of earth's motions, the same thing that caused the Ice Age by the way.
他们的许多工作都归结于测量——从游泳运动员跳水的准确角度,到自行车运动员每秒的动力输出。
A lot of their work comes down to measurement—everything from the exact angle of a swimmer's dive to the second-by-second power output of a cyclist.
You simply want to describe things the way they are and then dynamics tells you how they changed and why they changed.
你只是单纯描述物体的实际状态,而动力学则是解释它们运动的方式和原因的
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