摘要
应用不同的前后视距的上、中、下三丝读数,确定水准仪i角的大小,以便进行校正,使其满足水准测量的要求。
While we are making use of the top. middle and bottom three - wire readings of the different foresight and backsight distances to determine the size of the level angle I for the adjustment, It is possible for us to satisfy the need of the level measurement.
出处
《青海大学学报（自然科学版）》
1997年第2期63-67,共5页
Journal of Qinghai University(Natural Science)
