... Morera's stress function 莫累拉应力函数 motion law 运动定律 moving constraint 动约束 ...
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牛顿第二运动定律 Newton's second law of motion ; Newton's Second Law
牛顿第一运动定律 Newton's First law of Motion
行星运动定律 Laws of Planetary Motion
第三运动定律 [力] third law of motion
牛顿三大运动定律 newton's three laws of motion
开普勒行星运动定律 Kepler's Laws of Orbital Motion
流量运动定律 law of fluid motion
牛顿运动定律 [力] Newton's law of motion
我认为牛顿第三运动定律是最有价值的。
在书中,牛顿提出三个运动定律。
运动定律将予以讨论。
So, that's -- does anyone know which classical law of motion that would be?
你们有谁知道这是,哪个经典运动定律吗?
I mean all those of you doing sports here-- and it's most of you in this room who are doing athletics, who go for a run, you rely on the law of gravity.
你们中喜欢运动的-,教室里多数人都做运动,跑步时需要万有引力定律。
The way the physics works is you will find some laws of motion in mathematical form, you put in the initial conditions of whatever, you solve the equations, and the answer that comes, you have no choice.
在物理问题中,你可以用数学方法得到运动定律,你代入初始条件,然后解方程,获得答案,你别无选择
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