天平动 tiānpíngdòng libration Definitions Defs Origin Strokes Stroke Words Sentences Sents 天平动 天平動 tiānpíngdòng libration The apparent or real oscillation of a moon or planet as seen from the body it orbits, used especially in astronomy. Frequency Written text 0.003 per million Sources Frequency data BCC Corpus (BLCU)
天平动 天平動 tiānpíngdòng libration The apparent or real oscillation of a moon or planet as seen from the body it orbits, used especially in astronomy. Frequency Written text 0.003 per million Sources Frequency data BCC Corpus (BLCU)
