测绘测量有关程序，主要包含摄影测量、导线计算、水准网平差、平差计算-mapping measurement procedures, which mainly includes photographic measurement, wire, standard network adjustment, the adjustment calculation

具有两个连接角的附合导线计算，适合普通导线的计算，适合本科大学测绘专业的学生用-Has two connection angle connecting traverse calculation