CU 通常表示由单个可重新定位的对象文件带来可执行文件的文本和数据。

A CU typically represents the text and data contributed to an executable by a single relocatable object file.

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头衔通常表示级别和身份。

Titles are usually indicative of rank and status.

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高窗户大飞檐的巨大砖房通常表示这是古镇中心。

Large brick buildings with tall widows and large cornices often define historic town centres.

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And in physics, when physicists want to say "a little bit of," delta they write lower case delta.

在物理里，他们想要表示一点点这个概念时“,常在值前面写。

麻省理工公开课 - 固态化学导论课程节选