Newton's second law of motion 牛顿第二运动定律 ; 牛顿运动第二定律 ; 牛顿第二定律 ; 活动定律
The math model of a single valve system is established on the basis of Newton's second law of motion and pressure dynamics.
本文在牛顿第二定律和压力动力学基础上建立了单气门系统的数学模型。
Turns out, some of these equations were very familiar: the law of conservation of momentum, and Newton's second law of motion.
其结果，其中一些方程非常眼熟，比如动量守恒定律和牛顿第二定律。
It follows from the principle of relativity that Newton's second law of motion although fundamental in classical mechanics only has an approximate and by no means complete validity.
由相对论原理可知，牛顿运动第二定律尽管是古典力学中的基本原理，但只是近似的，而决不是完全正确的。
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