For example, the expression a*\|b*c will match a string consisting of any number of as or any number of bs (but not both) terminated by a single c.

例如，表达式 a*\|b*c 匹配由任何数量的 a 或 b 组成（但不是同时）且以一个 c 结尾的字符串。

youdao

For each of them there are four choices marked A, B, C and D. You should decide on the best choice and mark the corresponding letter on Answer Sheet 2 with a single line through the centre.

每题都有对应标记的A、B、C和D四个选项，请选择最佳选项并在答题卡2的相应字母中间划横线。

youdao

Objective-C only supports single inheritance between classes, while UML supports multiple inheritances.

Objective - C只支持类之间的单一继承，而UML支持多重继承。

youdao

If you know you're not gonna output a full string %C but a single character, percent C will get that job done.

如果你不想输出一个完整的字符串,而是输出一个字母，就要用到。

哈佛公开课 - 计算机科学课程节选

Rather than funding these as separate entities it makes real sense to gather these under a single C level employee.

FORBES: Security, Disaster Recovery Or Audit: Which Matters Most?

In the collision, the trucks couple to form a single body C, which continues to move on the rails.

BBC: Colleges despair at exam board 'error'

What is fair to say is that as the health care process went forward, not every single aspect of it was on C-SPAN.

WHITEHOUSE: Your Interview with the President