根据一项新的研究表明，宇宙的一个基本常数可能终究并非常数。

A fundamental constant of the universe may not be so constant after all, according to a new study.

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根据其更改特征设计数据结构，可以对跨多个请求或多个用户保持为常数的数据元素进行标识。

Structuring the data according to its change characteristic enables identification of data elements that stay constant across multiple requests or across multiple users.

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根据经验，语法与 C 中的语法相似，C 中的语法又与平常数学中使用的语法相似。

A rule of thumb is that the syntax is similar to the syntax in C, which in turn is similar to the syntax used in everyday mathematics.

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Because any velocity I ascribe to a particle or an object, you will add a certain constant to it by the law of composition of velocity.

因为我描述的任何一个质点或者物体的速度,你都要根据速度叠加法则,给它加上某个常数

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So, sometimes you'll find the Rydberg constant in different forms, but just make sure you pay attention to units because then you won't mess them up, because this is in inverse seconds here, the other Rydberg constant is in joules, so you'll be able to use what you need depending on how you're using that constant.

有时候你们会发现Rydberg常数,会写成不同的形式，但你们要注意,它的单位就不会弄错了，因为这里是秒的倒数，而另一个Rydberg常数是焦耳，所有你可以根据你要怎么使用,这个常数来选择你需要的常数。

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