·2,447,543篇论文数据，部分数据来源于NoteExpress
Finally, there are four types of representation models based GIS, which are plan, contour map, histogram and section map.
最后建立了地质勘察平面图、等值线图、柱状图和剖面图四种GIS表现模型。
youdao
应用推荐
模块上移
模块下移
不移动
