A control symbol consists of a backslash followed by a single, non alphabetic character.

一个控制符号由一个反斜杠以及紧跟着它的一个简单的非字母的字符。

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A control symbol consists of a backslash followed by a single, non alphabetic character.

一个控制符号由一个反斜杠以及紧跟着它的一个简单的非字母的字符。

youdao