这些物理定律和物理常数帮助我们界定和征服自然界。

The physical laws and constants have helped us define and tame the natural world.

youdao

这种时钟能够帮助认出物理常数如何随着时间所作的极为微小的变化。

Such clocks could help spot tiny changes in physical constants over time.

youdao

它说的是，电场的散度等于，这是一个物理常数，它等于什么，是基于所用的单位。

And it says that the divergence of the electric field is equal to, so this is a just a physical constant, and what it is equal to depends on what units you are using.

youdao

If you have a quantity which is constant over any closed path, that quantity is a thermodynamics state function.

如果有一个物理量,对任何闭合回路积分是常数，这个物理量就是一个热力学态函数。

麻省理工公开课 - 热力学与动力学课程节选

You'll also see that they have all the physical constants that you're going to need, and also a bunch of the actual equations that we've been using in the first couple weeks here.

大家还可以看到这里有,你可能会用到的所有物理常数，还有一堆公式,是那些我们这几周来一直在用的。

麻省理工公开课 - 化学原理课程节选

It is true mathematically, you can add two numbers, but you've got to ask yourself,"What am I doing as a physicist when I add these two numbers?"

在数学上它是正确的,你可以引入这两个常数,但是你需要问问自己,当我引入这两个常数时,这么做有什么物理意义

耶鲁公开课 - 基础物理课程节选