By the same method we also obtain the distribution of the lunar zenithdistance 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。
2
The paper expounds the principle and the method of measuring zenithdistance 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。
3
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).