题目内容
(请给出正确答案)
[单选题]
某经纬仪盘左视线水平时读数为90°,将望远镜物镜上仰时竖盘读数L在增大,则此经纬仪盘左竖直角公式为()。
A.90°-L
B.L
C.L-90°
D.–L
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A.90°-L
B.L
C.L-90°
D.–L
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.—14°29′54″
B.+14°29′54″
C.+15°29′34″
D.75°30′06″
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”
(A) +34°03'18"
(B) -34°03'18"
(C) -34°03'18"
(D) +34°03'18"
A.-23°25'00''
B.23°26'00''
C.23°25'00''
D.23°26'00''
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