全站仪测量精度与定点位的纵横向误差比 m D D 仪器测量精度 n+pm/100m200m500m1000m2000m M 2+24.582.481.230.820.62 1235566 2+22.291.240.620.410.31 2+21.530.830.410.270.21 2+20.920.500.250.170.12 3+21.300.700.330.210.14 3+2 1.110.590.280.17 0.12 5+31.810.960.450.280.18