astronomical latitude

基本解释

The present paper analyses the effect of earth tide on astronomical latitude and longitude according to theoretical formulas and calculated data.
本文从理论公式和计算数据上分析了固体潮对天文经纬度的影响。
The question of the cause of the anomalous deviation of the results of the astronomical time and latitude determinations before a strong earthquake has been analysed in this paper.
本文分析了引起强震前天文测时测纬异常现象的原因问题，认为这种异常主要是地下水活动引起垂线变化的结果。
In order to obtain higher measured accuracy of star's positions by the low-latitude meridian circle, it is needed to measure the astronomical refraction to the stars of different spectral types.
提出在低纬子午环上，对不同光谱型的天体测定出天文折射，以提高星位测定的精度。