用C++编写的摄影测量后方交汇的程序，其中的数据是.txt的最上侧是精度，之后是像主距，之后是坐标，先是像点坐标，之后是地面点坐标-With C++ Prepared rear intersection photogrammetry process, in which the data is. Txt side is the most accuracy, followed by distance as the main, followed by the coordinates of image