最全的测量平差基本程序代码，包括角度弧度互化，文件读写操作，间接平差，条件平差，水准网平差等等。全部为C++源代码，在VC++和VS上均可编译生成可执行文件-The most basic program code, including the angle of the arc, the file read and write operations, the indirect adjustment, the conditions of adjustment, leveling network ad