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> 图为某地理专题研究建立的地理信息系统图层。读图回答16-17题。小题1:叠加丙与丁图层可以研究 A．河流分布 B．地形特征 C．商店布局 D．客货流量小题2:为了较合理地得出丙图，需要叠加的图层有 A．甲与乙 B．甲与丁 C．乙与丁 D．甲、乙、丁

问题：

发布时间：2020-03-13

图为某地理专题研究建立的地理信息系统图层。读图回答16-17题。

小题1:叠加丙与丁图层可以研究

A．河流分布 B．地形特征 C．商店布局 D．客货流量

小题2:为了较合理地得出丙图，需要叠加的图层有

A．甲与乙 B．甲与丁 C．乙与丁 D．甲、乙、丁

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