Area
代码说明：
根据所给的江苏省境界数据 – 显示并计算江苏省十三个地市的面积 – 编写墨卡托投影反算程序，转换上述数据为经纬度坐标，并显示 – 根据地球椭球体表面上的梯形面积计算方法，基于经纬度坐标计算江苏省十三个地市的面积(According to the data given in the realm of Jiangsu Province - Display and calculate the thirteen cities in Jiangsu Province, an area - Preparation of Mercator Inverse program that converts these data to latitude and longitude coordinates, and display)
文件列表：
Area
....\Area
....\....\Area.csproj,3667,2014-01-04
....\....\ClassDiagram1.cd,1,2013-12-08
....\....\Form1.cs,14952,2014-01-04
....\....\Form1.Designer.cs,7606,2014-01-04
....\....\Form1.resx,6015,2014-01-04
....\....\Program.cs,485,2013-12-01
....\....\Properties
....\....\..........\AssemblyInfo.cs,1340,2013-12-01
....\....\..........\Resources.Designer.cs,2859,2013-12-01
....\....\..........\Resources.resx,5612,2013-12-01
....\....\..........\Settings.Designer.cs,1090,2013-12-01
....\....\..........\Settings.settings,249,2013-12-01
....\Area.dbf,1033,2011-10-13
....\Area.prj,354,2011-10-13
....\Area.sbn,260,2011-10-13
....\Area.sbx,132,2011-10-13
....\Area.shp,993376,2011-10-13
....\Area.shp.xml,10463,2011-10-13
....\Area.shx,204,2011-10-13
....\Area.sln,854,2013-12-01
....\Area_polygon.gen,2157455,2011-10-13
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