通过输入动压静压或高度速度能够方便的进行大气数据计算。-air calculation.

后方交会实现地面坐标点计算，通过读取TXT文件将数据导入，并将计算结果输入，快速并且很准确，值得初学者学习-Resection achieve ground coordinates calculated by reading the data into a TXT file and enter the result, fast and very accurate, worth learning for beginners