短語詞組短語radio locational astronomy 無線電定位天文radio astronomy observatory 射電天文臺experimental radio astronomy 實驗射電天文學radio astronomy explorer satellite 射電天文學探測器衛(wèi)星;射電天文探測衛(wèi)星antenna for radio astronomy 射電天線stellar radio astronomy 恒星射電天文學radio astronomy laboratory 射電天文學的實驗室Essential Radio Astronomy 課程名基礎(chǔ)射電天文學arcsec radio astronomy 亞角秒射電天文學 返回 radio astronomy