已知A点高程,高差,则B点的高程为( )。<br/>A 74.769m<br/>B 70.121m<br/>C - 74.769m<br/>D - 70.121m<br/><br/>A.769m<br/>B<br />B.121m<br/>C<br />C.769m<br/>D<br />D.121m
A、A.769m
B
B.121m
C
C.769m
D
D.121m
A、A.769m
B
B.121m
C
C.769m
D
D.121m
A、B的高程为417.460m; B、B点的高程为417.469m; C、往、返测高差闭合差为+0.014m, D、B点的高程为417.467m
A、B的高程为417.460m B、B点的高程为417.469m C、往、返测高差闭合差为+0.014m D、B点的高程为417.467m
A、B的高程为417.460m B、B点的高程为417.469m C、往、返测高差闭合差为+0.014m D、B点的高程为417.467m E、往、返测高差闭合差为-0.004m
A、B的高程为417.460m B、B点的高程为417.469m C、往、返测高差闭合差为+0.014m D、B点的高程为417.467m E、往、返测高差闭合差为-0.004m