于是可以使用牛顿第二定律。

So now I can write down Newton's Second Law.

youdao

下面我们讲牛顿第二定律。

Now we come to the Second Law, Newton's Second Law.

youdao

牛顿第二定律，动量定理。

Newton's second law, the Momentum Principle.

youdao

可以用牛顿第二定律。

I'm applying Newton's Second Law.

youdao

牛顿第二定律及万有引力定律是根据实验结果总结出来的。

Newton's second law and the law of gravity are summarized with experimental results.

youdao

牛顿第二定律及万有引力定律是根据实验结果总结出来的。

Newton's second law and the law of gravity are summarized with experimental results.

youdao