abstract of zenith distance  天顶距记簿

altitude correction of zenith difference  天顶差高度修正

angle at zenith  锗; 天顶角

angle of zenith  天顶角

apparent zenith distance  视天顶距

astronomical zenith  天文天顶

atmosphere zenith delay  大地天顶延迟

circummeridian zenith distance  近子午圈天顶距

double zenith distance  双天顶距

floating zenith telescope  浮动天顶仪

geocentric zenith  地心天顶

geodetic zenith  大地天顶

gingival zenith  龈缘高点

horizontal zenith telescope  水平天顶仪; 水平式天顶仪

Ibuprofen Pseudoephedrine Hydrochloride Compound-Zenith Heilen  诺合

improved tropospheric zenith delay model  改进的天顶延迟模型

large zenith angle shower  大天顶角簇射

laser zenith meter  激光垂直仪

meridian zenith distance  [过]子午圈天顶距; 中天顶距