恆星年

héngxīngnián

sidereal year

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héng xīng nián

n. sidereal year

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heng2 xing1 nian2

the sidereal year (astronomy), the year defined in terms of the fixed stars

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恆星年|恒星年 [héng xīng nián] ► the sidereal year (astronomy) ► the year defined in terms of the fixed stars