测量程序设计，坐标正反算，方位角计算

C:\Users\shaox\documents\visual studio 2010\Projects\shiyan\shiyan\obj\x86\Debug\shiyan.exe C:\Users\shaox\documents\visual studio 2010\Projects\shiyan\shiyan\obj\x86\Debug\shiyan.pdb C:\Users\shaox\documents\visual studio 2010\Projects\shiyan\shiyan\bin\Debug\shiyan.exe C:\Users\shaox\documents\visual studio 2010\Projects\shiyan\shiyan\bin\Debug\shiyan.pdb C:\Users\shaox\documents\visual studio 2010\Projects\shiyan\shiyan\obj\x86\Debug\1stPractice.csprojResolveAssemblyReference.cache C:\Users\shaox\documents\visual studio 2010\Projects\shiyan\shiyan\obj\x86\Debug\shiyan.Form1.resources C:\Users\shaox\documents\visual studio 2010\Projects\shiyan\shiyan\obj\x86\Debug\shiyan.Properties.Resources.resources C:\Users\shaox\documents\visual studio 2010\Projects\shiyan\shiyan\obj\x86\Debug\1stPractice.csproj.GenerateResource.Cache