高程平差程序设计能够单独进行高程平差或者三角网、高程联合平差，能输出最后高程、高差往返闭合差、中误差等。-Elevation adjustment program design to separate the elevation adjustment or triangular network combined adjustment, height, can output the final elevation, elevation and closure, in error.

单向空间后方交会程序设计，利用共线条件方程，用于摄影测量平差-One-way space resection programming, collinearity equation for photogrammetric adjustment