longitude

特殊用法astronomical longitude1.天文经度celestial [ecliptic] longitude1.【天】黄经fictitious longitude1.【航海】假想经度galactic longitude1.【天】银经geodetic longitude1.大地经度geomagnetic longitude1.【地物】地磁经度geographic longitude1.地理经度grid longitude1.【航空、航海】格网经度heliographic longitude1.【天】日面经度mean longitude1.平黄径observed longitude1.【航海】观测经度west longitude1.西经true longitude1.真经度
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