zenithal

1. Lambert's zenithal equal-area projection
   兰伯特等积方位投影
2. Who embeds our career with zenithal achievements?
   是谁给事业镶嵌巅峰的成就？
3. The zenithal distance expression based on theoretical value of gravity earth. tide, the precise formula for calculating derivative of theoretical value on gravity earth tide is induced by strict mathematical method, in this paper.
   本文基于计算重力固体潮理论值的天顶距法，通过严格的理论推导，给出了计算重力固体潮理论值的导数的封闭公式。
4. The reasons for large variations of azimuthal and zenithal angles of holes drilled are investigated with a view point of mechanics.
   从力学观点分析了钻孔方位角和顶角变化的原因；

adj

1. relating to or located at or near the zenith