题目内容
(请给出正确答案)
[单选题]
经纬仪盘左视线水平时读数为90°,将物镜抬高一定位置竖盘读数变128°,则此经纬仪盘左竖直角公式为()
A.90°-L
B.L-90°
C.180°-L
D.L-180°
答案
L
如果结果不匹配,请 联系老师 获取答案
A.90°-L
B.L-90°
C.180°-L
D.L-180°
L
A.72,54,06
B.17,05,54
C.-72,54,06
D.-17,05,54
A.α=90º—L
B.α=0º—L或α=360º—L
C.α=180º—L
D.α=270º—L
A.13°26'00''
B.-13°25'00''
C.76°34'00''
D.13°26'00''
A.58°05′32″
B.68°05′42″
C.78°15′42″
D. 68°15′42″