“year”的概念、定义、翻译、参考文献-科学参考

单词	year
释义	year [yir] ^ASTRONOMY Any of several units of time based on the revolution of the earth about the sun; the tropical year to which the calendar is adjusted is the period required for the sun's longitude to increase 360°; it is about 365.24220 mean solar days. Abbreviated yr.
随便看	cay Cayley algebra Cayley-Hamilton theorem Cayley-Klein parameters Cayley numbers Cayley's sextic Cayley's theorem cay sandstone Caytoniales Cayugan Cazenovian C band C-band fixed satellite service C-band waveguide C battery CBC C bias C boundary C.B. system CBX Cc CCD C chart CCIS CCIT 2 code

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