A.b与M成正比
B.b与M成反比
C.b与M无关
A.b与M成正比
B.b与M成反比
C.B与M无关
在地形测量中,大小平板仪对中容许误差为()
A25mm
B3mm
C0.05×Mmm(M为测图比例尺分母)
D以上都对
A.0.01m
B.0.015m
C.0.05m
A.1:500~1:1000
B.1:1000~1:2000
C.1:2000~1:5000
D.1:5000~1:10000
A.1:5000~1:10000
B.1:25000
C.1:50000~1:100000
D.1:30000