例如，含单一使用者代理字串的装置，可能有多种萤幕大小设定，而每一个设定都有不同的输出。
For example, a device with a single user agent string might have multiple screen-size Settings, each of which can have different output.
在萤幕上检视正常大小的文字时，由于图像影像的高对比，使得这项差异并不显著。
When viewing the text at its normal size on the screen, this difference is not noticeable because of the high contrast of the glyph image.
有预定义的位置和大小它可以从萤幕上选择功能表或键盘快捷方式。
There are predefined positions and sizes which can be selected from on screen menu or by keyboard shortcuts.
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