莫尔斯电码是由点和线组成的。

The Morse code is made up of dots and dashes.

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这种表单是由文本、点、线和图形等静态元素组成的，文件存储为二进制格式。

The form is composed of static elements such as text, dot, line, and graphic. The file is stored as a binary format.

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可以很方便地列出包含空间数据的表，并可将表展示为由点、线、和多边形组成的图。

You can easily list tables containing spatial data and select tables to display as a map using a combination of points, lines, and polygons.

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