zenith distance [天] 天顶距 ; 天顶角距 ; 天顶距离
true zenith distance 真顶距 ; 真天顶距 ; 实际天顶距 ; 真值
meridian zenith distance 子午圈天顶距 ; 中天顶距
apparent zenith distance [天] 视天顶距
calculated zenith distance 计算顶距
abstract of zenith distance 天顶距记簿
zenith distance measurement 天顶距量测
actual zenith distance 实际天顶距
The solutions describe stokes intensity as a function of inter pulse spacing, distance and zenith Angle in a uniform medium and in nonuniform medium (atmosphere).
给出了在均匀介质和非均匀介质(实际大气)情况下的斯托克斯光强随脉冲间隔、传输距离和天顶角变化的函数关系。
By the same method we also obtain the distribution of the lunar zenith distance versus the occurring probability of earthquakes.
同样的方法，可得地震的月球天顶距地震频度分布。
The paper expounds the principle and the method of measuring zenith distance for celestial positioning based on the direction of gravitational force line.
论述了在海上进行天文定位时以重力线作基准直接测定天体顶距的原理和方法。
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