A.水平角 B.斜距 C.平距 D.豎直角 E.儀器視線高程
A.1:100000 B.1:50000 C.1:5000 D.1:2000 E.1:1000
A.1:1000000 B.1:50000 C.1:200000 D.1:10000 E.1:5000