文件名称:Center-amplification
介绍说明－－下载内容均来自于网络，请自行研究使用
中心放大，就是以当前视图的中心点为缩放中心把地图进行放大的操作。示例代码如下：
-Center to center is enlarged, the current view for China "center the map zoom operation. The sample code is as follows:
-Center to center is enlarged, the current view for China "center the map zoom operation. The sample code is as follows:
(系统自动生成,下载前可以参看下载内容)
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Center amplification.docx