You apply the result to the width property in the div selector.

将结果应用到 div 选择器的宽度属性。

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the ratio of the diameter of the glass to the width of the circular shaking;

葡萄酒杯的直径与圆周晃动的宽度的比率；

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If three or more optional arguments are supplied, the third option is assigned to the width variable.

如果提供了三个或多个可选参数，那么第三个选项被分配给width变量。

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Rainfall has a direct link to the growth and width of rings on some kinds of trees.

VOA: special.2010.05.25

Silicon has been the favored insulator for tiny wires and switches ever since, even as successive generations of chip wires and switches have been shrunk to the width of a single wavelength of light.

FORBES: Magazine Article

The Onkyo TX-NR807 is one of the first receivers to incorporate Audyssey DSX technology, which allows the back surround channels to be retasked for front-wide speakers to expand the width of the sounds stage, or for front height speakers to provide vertical ambience effects.

ENGADGET: Onkyo TX-NR807 and TX-SR707 receivers keep the updates rolling

These features include the ability to pin a post to the top of Timeline, the ability to highlight posts which will expand to occupy the width of a Page, and highlighted friend activity surfaced on the right side of Timeline.

FORBES: Facebook's Storied Revolution