“tropical year”的概念、定义、翻译、参考文献-科学参考

单词	tropical year
释义	tropical year [`träp·ǝ·kǝl `yir] ^ASTRONOMY A unit of time equal to the period of one revolution of the earth about the sun measured between successive vernal equinoxes; it is 365.2422 mean solar days or 365 days 5 hours 48 minutes 46 seconds. Also known as astronomical year.
随便看	tychite Tycho Tychonic system Tychonoff space Tychonoff theorem Tycho's Nova Tycho's star tyfon tying bar Tylenchida Tylenchoidea Tyler screen Tyler Standard screen scale Tylopoda tylose tylostyle tylote tympan tympanic cavity tympanic membrane tympanoplasty tympanum Tyndall cone Tyndall effect Tyndall flowers

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