如果，在某个日期，又想更改游戏窗口的大小了(您很可能需要这么做)，若在此处就能更改数值将会节省您双倍的时间。

If, at a later date, you decide to change the size of your game window (and you very well might), being able to change the value in this one spot will save you time twice.

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而MathML是针对Web环境设计的，在这样的环境下，表达式显示在未知的且可能动态更改大小的窗口中。

However, MathML is designed for a Web context where the expression is being displayed on a window of unknown and potentially dynamically changing size.

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更改窗口的标题栏、菜单和其它性能的字体大小。

Changes the font size for window title bars, menus, and other features.

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