Irregular forms are given in parentheses.

不规则形式标注在括号内。

《牛津词典》

An expression in parentheses.

用括号括起来的表达式。

youdao

The list is enclosed in parentheses.

该列表被括在括号里。

youdao

And then notice the structure, WHILE I got a keyword WHILE, there's that color identifying it, and in parentheses I have a test.

然后注意这个结构，有一个关键词，颜色就可以区分出它了，然后括号内是个测试。

麻省理工公开课 - 计算机科学及编程导论课程节选

You might recall from grade school sometimes you put things in parentheses so that your addition happens first, then your multiplication, otherwise multiplication would happen by default first.

你们可能会想起小学时，将一些加法表达式,放在圆括号里，这样加法可以先计算，然后是乘法，否则，乘法默认先发生。

哈佛公开课 - 计算机科学课程节选

And when we describe this in terms of talking about chemistry terminology, we would call the first one the 1 s, and 1 is in parentheses because we're talking about the first electron there, and we would multiply it by the wave function for the second one, which is also 1 s, but now we are talking about that second electron.

当我们用化学术语来,描述它的时候，我们称第一个为“1s“,括号中的1是因为我们,在谈论第一个电子,而且我们会用它的波函数，乘以第二个,第二个也是“1s“,但是我们现在谈论的是,第二个电子。

麻省理工公开课 - 化学原理课程节选

Use your former name in parentheses in your email signature and on websites.

FORBES: Inviting Google to the Wedding: Your Online Name Change

If they couldn't spot the analytical flaws, they might have done something about the stylistic ones that range from curious analogies to long phrases in parentheses.

ECONOMIST: Economic folly

Year-earlier rank is in parentheses.

FORBES: China's 2012 Best Cities For Business List (Full List) - Forbes