fundamental astrometry基本: basic; fundamental天體: celestial body; heavenly bod ...天體測量學(xué): astrometry; uranometry光學(xué)天體測量學(xué): optical astrometry空間天體測量學(xué): space astrometry下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯
