The previous technique will generate a unique identifier for any user-supplied character string; however, it is somewhat cumbersome to issue this list of commands every time an EWU value is needed.
前面的技术可以为任何用户提供的字符串生成惟一的标识符；但是，在每次需要ewu值时都执行这一系列命令比较麻烦。
The exclamation mark is an escape character that lets you issue operating system commands from either interactive input mode or batch mode.
这个感叹号是换码符，允许您从交互输入模式或批处理模式发出操作系统命令。
Replace the B with a using the vi-style "replace single character" commands (that is, click r, and then type a).
使用vi风格的“替换单个字符”命令将b替换为a(即单击r，然后键入A)。
Now I summarize some commands used to see what are the character set and collation of our database and how to change them as needed.
现在，我总结了一些命令用于查看我们使用的数据的字符集以及根据需要如何改变字符集。
Now I summarize some commands used to see what are the character set and collation of our database and how to change them as needed.
现在，我总结了一些命令用于查看我们使用的数据的字符集以及根据需要如何改变字符集。
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