天球: celestial sphere; sphere子午线: meridian天球子午圈: celestial meridian; principal vertical circle地球子午线: terrestrial meridian眼球子午线: meridian of eye; meridiani bulbi oculi月球子午线: lunar meridian地方天球子午圈: local celestial meridian子午线: [地] meridian (line)◇子午线航行 [航海学] meridian sailing; 子午线日 meridian day子午线，子午图，经圈: meridian巴黎子午线: paris meridian本初子午线: [地测]prime meridian; basis meridian; the first meridian (又名“首子午线”)标准子午线: standard meridian; time meridian参考子午线: guide meridian; reference meridian超越子午线: beyond the sundial磁子午线: magnetic meridian; magneticmeridian; meridian, magnetic大地子午线: geodetic meridian导子午线: guide meridian等像子午线: iseikonic meridians地磁子午线: geomagnetic meridian; magnetic meridian地方子午线: local meridian地理子午线: geographic meridian; geographical meridian（true meridian）; terrestrial meridian; topographical meridian地面子午线: terrestrial meridian对向子午线: antimeridian反面子午线: antimeridian分带子午线: zone dividing meridian; zonedividingmeridian
