A.高程B.角度C.坐標(biāo)D.放樣方法
A.1:2000 B.1:500 C.1:10000 D.1:5000
A.1m,2m,5m B.0.001m,0.002m,0.005m C.0.01m,0.02m,0.05m D.0.1m,0.2m,0.5m