视距测量时,经纬仪置于高程为162.382m的A点,仪器高为1.40m,上、中、

练习题库2022-08-02  27

问题 视距测量时,经纬仪置于高程为162.382m的A点,仪器高为1.40m,上、中、下三丝读得B点的尺读数分别为1.019m、1.400m和1.781m,求得竖直角α=-3°12'10″,则AB的水平距离和B点高程分别为(  )。A.75.962m,158.131mB.75.962m,166.633mC.76.081m,158.125mD.76.081m,166.639m

选项 A.75.962m,158.131m
B.75.962m,166.633m
C.76.081m,158.125m
D.76.081m,166.639m

答案 A

解析
转载请注明原文地址:https://tihaiku.com/jzgc/2189164.html

最新回复(0)