本文介绍了地震应急基础数据库的总体功能，数据资料的收集与处理过程，各类属性图的建立、地图的制作等。

Based on analyzing the background, purpose and function of constructing rail transit fundamental database, this paper designed the framework and function of the system.

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其次，他们必须制作一张可靠的关于它表面的地图。

Secondly they will have to make a reliable map of its surface.

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他制作了地图来标明这些树的位置。

He made maps to show where these trees were.

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They didn't know I was going to ask them the question, so I think they are really thrilled when they see their kids making it.

他们不知道我正要,问这个问题，所以当他们看见自己孩子制作的地图,感到很激动。

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