长按字符键，在弹出的选择各种形式。

Long press the character key to select various forms in the popup.

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整型分区键要比字符键高效，而字符键又比小数键高效。

An integer partitioning key is more efficient than a character key, which is more efficient than a decimal key.

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这使您得以通过按键盘上的alt键和指定的字符键快速导航至区域。

This allows you to navigate quickly to the region by pressing the ALT key and the key for the specified character on the keyboard.

youdao

Every time you hit the enter key in Notepad or in Microsoft Word, small white lie, those two characters end up getting saved in the file.

在Notepad或Microsoft里，每当你敲回车键时，没有恶意哈，这两个字符,都会保存在文档里。

哈佛公开课 - 计算机科学课程节选