单词second law of motion
un.: 第二运动定律
第二运动定律
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。
But dark matter"s existence is based on the assumption that Newton"s second law of motion holds true at all physical scales.
但是暗物质的存在是基于牛顿第二运动定律在所有物理模型中都普适这个前提假设。
Solving Physics Problems about Systemic Dynamics with Newton"s Second Law of Motion Skillfully
用牛顿第二定律巧解系统动力学问题
Newton""s second law of motion
牛顿运动第二定律