题目内容
(请给出正确答案)
[主观题]
用一台望远镜视线水平时,盘左竖盘读数为90°,望远镜视线向下倾斜时读数减少的J6级经纬仪,观测目标
,得盘左盘右竖盘读数为L=124°03'30",R=235°56'54",则竖盘角为()。
(A) +34°03'18"
(B) -34°03'18"
(C) -34°03'18"
(D) +34°03'18"
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(A) +34°03'18"
(B) -34°03'18"
(C) -34°03'18"
(D) +34°03'18"
A.+34°03′18″,-12″
B.-34°03′18″,+12″
C.-34°03′18″,-12″
D.+34°03′18″,-24″
A.(tan3°28′≈0.061,cos²3°28′≈0.996)
B.58.366,2.450
C.58.367,2.450
D.58.366,2.451
E.58.356,2
A.72,54,06
B.17,05,54
C.-72,54,06
D.-17,05,54
A.57o10'24“
B.-14o49'36”
C.14o49'36"
A.57o10′24″
B.-14o49′36″
C.14o49′36″
A.5710′24″
B.-1449′36″
C.1449′36″
D.75°10′24″
A.57°10′24″
B.-14°49′36″
C.14°49′36″
D.-57°10′24″
A.57°10'24”
B.-14°49'36"
C.14°49'36"
D.-57°10'24”