其种类很多，但基本的理念是在变量名的开始添加一个标记以表示其类型（例如，所有无符号长型变量都以ul 开头）。

There are lots of flavors of this, but the basic idea is that you put a tag at the beginning of a variable name saying what type it is. (So all unsigned long variables begin with ul, etc.)

youdao

他还表示中国最近从乌克兰购进了一架Su - 33的早期型TK10，这预示着中国可能计划自己建造据长续航力的重型舰载机。

He said the recent purchase of a T10K, an earlier version of the Su-33, from Ukraine, demonstrates that China also plans to build its own deck-based long-range fighter.

youdao

他还表示中国最近从乌克兰购进了一架Su - 33的早期型TK10，这预示着中国可能计划自己建造据长续航力的重型舰载机。

He said the recent purchase of a T10K, an earlier version of the Su-33, from Ukraine, demonstrates that China also plans to build its own deck-based long-range fighter.

youdao