以下是一幅美国地图，您只要用鼠标点选各个州便可听到该州州府的发音并看到州府的拼法。
Below is a map of the United States of America. Click each individual state to hear the pronunciation and see the spelling of the capital of that state.
获取地图坐标点击地图上的完整源代码，可以直接使用。
Get map Coordinat by click map complete source code can be directly used by the test.
计算一个点的地图坐标点相应的设备。
Calculates a point in map coordinates corresponding to the device point.
计算一个点的地图坐标点相应的设备。
Calculates a point in map coordinates corresponding to the device point.
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