[过]子午圈天顶距  meridian zenith distance

近子午圈天顶距  circummeridian zenith distance

实际天顶距  true zenith distance

视天顶距  apparent zenith distance

天顶[天]  Zenith

天顶距  co-altitude; Zenith distance; zenith angle; coaltitude; Zenith

天顶距记簿  abstract of zenith distance

天顶距离  Zenith distance

天顶天底轴  zenith nadir axis

真天顶距  true zenith distance

中天顶距  meridian zenith distance

DOHC(双顶置凸轮轴)  all-position oxygen cutting machine

对顶双锥机构  opposing vertexes double pyramid mechanism

褐双距螯蜂  Gonatopus rufoniger

机载双天线InSAR  airborne dual-antenna InSAR

机载双天线微波辐射计  airborne double-antenna microwave radiometer

可变焦距双筒望远镜  zoom binocular

十二顶双镍十硼烷  Twelve-vertex Dinickeladodecaborane; twelve vertex dinickeladodecaboranes

双IP双线路  double IP double line