Add an instant velocity change to the rigidbody, ignoring its mass.

添加一个瞬间速率变化给刚体，忽略它的质量。

youdao

But DE Broglie has told us that the wavelength is related to the instant velocity through this formula.

但德布罗意曾说过，波长是和瞬时速度相联系的，通过这个公式。

youdao

And this is just a Newtonian expression of momentum, the product of the mass of the electron times its instant velocity.

这只是牛顿学上关于动量的表达，用电子质量，乘以瞬时速度。

youdao

But de Broglie has told us that the wavelength is related to the instant velocity through this formula.

但德布罗意曾说过,波长是和瞬时速度相联系的,通过这个公式。

麻省理工公开课 - 固态化学导论课程节选

And this is just a Newtonian expression of momentum, the product of the mass of the electron times its instant velocity.

这只是牛顿学上关于动量的表达，用电子质量,乘以瞬时速度。

麻省理工公开课 - 固态化学导论课程节选

When you're driving in your car, there's a needle and the needle says 60; that's your velocity at this instant.

当你在开车时,有一根指针指着60,表示你这个时刻的速度

耶鲁公开课 - 基础物理课程节选