单项选择题
A.坐标增量与坐标增量闭合差B.坐标方位角与角度闭合差C.坐标方位角与坐标增量D.角度闭合差与坐标增量闭合差
A.-170.919B.170.919C.104.302D.-104.302
A.50.00mB.70.71mC.100.00mD.141.42m