但是，有一些操作通过菜单不能实现，这时就需要用快捷键来完成，而且快捷键使用起来比较方便。
But some operations cannot be realized through the menu, at this time it is convenient to use the shortcut key.
有着这样强大功能本系统，虽然看起来比较复杂，一旦使用起来就比较直观，使用很方便。
Has such formidable function this system, although looks like quite complex, once USES quite direct-viewing, the use is very convenient.
有着这样强大功能本系统，虽然看起来比较复杂，一旦使用起来就比较直观，使用很方便。
Has such formidable function this system, although looks like quite complex, once USES quite direct-viewing, the use is very convenient.
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