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.

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。

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If you change the size of the window, some browsers will also change the width of DIV.

如果改变窗口的大小，一些浏览器也会改变DIV的宽度。

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They may change the size of a room, or the position of a window, or maybe add a study or utility room.

他们可能会改变一个房间，或一个窗口，或可能的位置添加一个研究或者实用房间的大小。

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With embedded video, you can also change the size of the video by using the Full Screen link underneath the playback window - if you are using version 9 of Flash or above.

BBC: Your guide to the BBC Embedded Media Player