题目内容
(请给出正确答案)
[单选题]
M点的高程为43.251m,测得后视读数为a=1.000m,前视读数为b=2.283m,则视线高Hi和待测点B的高程分别为()m
A.45.534,43.251
B.40.968,38.685
C.44.251,41.968
D.42.251,39
答案
C、44.251,41.968
如果结果不匹配,请 联系老师 获取答案
A.45.534,43.251
B.40.968,38.685
C.44.251,41.968
D.42.251,39
C、44.251,41.968
A.45.534m.+1.283m.44.534m
B.40.968m.-3.283m.39.968m
C.44.251m.-1.283m.41.968m
D.42.251m.+3.283m.46.534m
已知后视A点高程为,A尺读数为,前视点B尺读数为,其视线高为Ha+a,B点高程等于Ha+a-b。()
A.15.116m
B.11.966m
C.15.120m
D.11.575m
A.HB=3.436m
B.HB=3.020m
C.HB=0.400m
D.HB=6.056m
A.+0.001m
B.一0.001m
C.+0.002m
D.一0.002m
在水准测量中设A为后视点,B为前视点,并测得后视点读数为1.124m,前视读数为1.428m,则B点比A点( )。
A.高 B.低 C.等高
A.13.688
B.16.312
C.16.401
D.17.713