这是一个分类专题图，你增加数据后，运行程序->分类图，那么将出现分类专题图界面，自动增加已有的图层，你选择一个图层后，再选择这个图层的一个字段，以及颜色，同时你可以选择分类等级以及有两个选择一个是按颜色分类，另一个是按尺寸分类，选择好后你也可以再重新设置其的符号，进行应用，完成操作。-This is a classification of thematic map, you increase the data, run the program->　Category map, then there will be classification of thematic map interface, automatic increases in the existing layer, you select a layer and then select the layers of a word paragraph, as well as the color, at the same time you can choose to have two classifications, as well as Level One is the selection by color, and the other is based on size classification, After you select can also be re-set its symbols, the application, complete the operation.