地球上的方向是通过方位角测定的。
本文论述了铁路上常用的太阳高度法测定天体真方位角各类误差的影响。
In this paper, all kinds of error's influence was expounded of the sun altitude method often used on the railway upon determining heavenly body azimuth.
斜仪是一种测定钻孔倾角和方位角的仪器。
Inclinometer is an Instrument testing drift Angle and azimuth of drift hole.
斜仪是一种测定钻孔倾角和方位角的仪器。
Inclinometer is an Instrument testing drift Angle and azimuth of drift hole.
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