Slightly belying its name, the fine-structure constant is actually a compound of several other physical constants, whose values can found in any physics textbook.

精细结构常数实际上是其他几个能在任何物理学教科书中找到数值的物理常数合成，同它的名称稍微有些名不副实。

youdao

Using global forwards, we protect our code from changes to the URI as long as the logic reference name remains constant.

通过使用全局转发，只要逻辑引用名不变，我们就不必因为URI有所变动而修改我们的代码。

youdao

When you know that every name in all caps is a constant, you treat it differently.

如果您知道，每一个全部由大写字母组成的名称都是常量，则会以不同的方式进行处理。

youdao

This is what's called the Bohr radius, and we'll explain - hopefully we'll get to it today where this Bohr radius name comes from, but for now what you need to know is just that it's a constant, just treat it like a constant, and it turns out to be equal to or about 1/2 an angstrom.

它叫做玻尔半径，我们后面会解释,希望我们今天可以讲到,波尔半径这个名称的由来，但现在你们只要记住,它是一个常数，只要把它当做一个常数对待，它等于,或者是1/2埃。

麻省理工公开课 - 化学原理课程节选

So 96 now is a typical constant, so I'm going to give the name c to that constant.

6是一个标准的常数,因此我要用c来代表这种常数

耶鲁公开课 - 基础物理课程节选

Furthermore, he adds, executives are under constant scrutiny by shareholders and investors, and they must sacrifice family time and personal health, in the name of their jobs.

FORBES: The Most Overrated Jobs 2012