Names of macros and constants are conventionally in uppercase.

常量和宏的命名一般是大写。

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All these methods and constants should make responding to button events easier.

所有这些方法和常量应该会使得对按钮事件做出响应更加容易。

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Reflection methods like instance_variables, and constants now return arrays of.

一些反射方法，例如instance_variables和constants，不再返回字符串数组，而是返回符号数组。

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Periodic Table, Table of Constants, and you are allowed an aid sheet, an 8-1/2 by 11 sheet of paper.

元素周期表，常数表，你允许带帮助表格，一个8-1/2乘11的纸。

麻省理工公开课 - 固态化学导论课程节选

It is just down the hall from this lecture theater. And you bring the Periodic Table and the Table of Constants and a calculator and something to write with.

就在这件教室下面的大厅那,你们带上元素周期表和常数表,还有一个计算器和一些写的东西。

麻省理工公开课 - 固态化学导论课程节选

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

During the 20 years I have been calculating the values of NHL, NFL and NBA teams two of the constants have been a ratcheting up of salary restrictions on athletes via salary caps and payroll taxes, and a growing spread in team values within each league.

FORBES: Salary Caps Have Widened The Money Gap In Pro Sports

Yet, there are constants in American medicine and this is where competition is best suited.

FORBES: Yes Virginia, There Is Competition In U.S. Health Care

Our celebration of initiative and enterprise, our insistence on hard work and personal responsibility, these are constants in our character.

BBC: Obama inauguration: Full text