The next task is to build a U.S. state shaded and annotated map with cities plotted with the commands shown in Listing 10.
下一项任务是用清单10中所示的命令构建标绘了城市的美国各州渐变并加了注释的地图。
The next task is to build a U.S. state shaded and annotated map with cities plotted with the commands shown in Listing 10.
下一项任务是用清单10中所示的命令构建标绘了城市的美国各州渐变并加了注释的地图。
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