此程序是关于摄影测量学，实现了后方交会、前方交会、相对定向、绝对定向的功能。-This program is about photogrammetry, to achieve a resection, intersection, relative orientation, absolute orientation function.

实现前方交会，摄影测量学，实现2张或多张前方交会解世界坐标(To achieve the forward intersection, photogrammetry, to achieve 2 or more forward intersection of the world coordinates)