测量了几个试件，结果与“质量定律”很好地一致。

Several samples are measured and the results agree well with the mass law.

youdao

要服从质量守恒定律。

We write it subject to conservation of mass.

youdao

它遵循胡克定律，几乎是无质量的。

It obeys Hooke's Law, and it is also nearly massless.

youdao

它遵循胡克定律，几乎是无质量的。

It obeys Hooke's Law, and it is also nearly massless.

youdao