题目内容
(请给出正确答案)
[单选题]
用经纬仪测竖直角,顺时针注记,盘左读数为85°15’18″,盘右读数为274°44′54”。则该仪器的指标差为()
A.54
B.-54
C.6
D.-6
答案
C、6
如果结果不匹配,请 联系老师 获取答案
A.54
B.-54
C.6
D.-6
C、6
A.-23°25'00''
B.23°26'00''
C.23°25'00''
D.23°26'00''
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.+3′
B.-3′
C.-2′
D.+ 2′