English translation for "【天文学】光年。"

light-year

Related Translations:

张光年:  zhang guangnian

天文学:  astronomy; uranological◇天文学家 astronomer; astrologer

观测天文学:  observational astronomy

分子天文学:  molecular astronomy

光学天文学:  optical astronomy

红外线天文学:  infrared astronomy

描述天文学:  descriptive astronomy

普通天文学:  descriptive astronomygeneral astronomy

大众天文学:  popular astronomythe flammarion book of astronomy

卫星天文学:  satellite astronomy

Similar Words：

"【天文学】地平经圈。" English translation, "【天文学】第二圈，副圈。" English translation, "【天文学】二十八宿。" English translation, "【天文学】高气压圈。" English translation, "【天文学】光反射〔由超新星爆炸所引起〕。" English translation, "【天文学】恒星风。" English translation, "【天文学】红移，红向移动。" English translation, "【天文学】环蚀。" English translation, "【天文学】黄金数。" English translation, "【天文学】基本星。" English translation