图中看不见的轮廓线用虚线表示。

Contour map with invisible dotted lines.

youdao

可选的数据元素用虚线表示，必需的数据元素用实线表示。

Dashed lines are used for optional data elements and solid lines are used for required data elements.

youdao

请注意，对象是灰色的，连接是用虚线表示的，因为它们尚未实现。

Notice that the objects are grey and the connections are dashed lines because they have not been implemented yet they are unrealized.

youdao

It could be that a random distribution-- I don't have colored chalk here I don't think, so I will use a dash line to represent the fat-tailed distribution.

这是一个随机分布,这里没有彩色粉笔,我就用虚线,来表示长尾分布

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