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單詞乎

parsec

音標(biāo)['pɑ:sek]
parsec是什么意思、parsec怎么讀

parsec漢語(yǔ)翻譯

n. 秒差距(天體距離單位)

parsec英語(yǔ)解釋

名詞 parsec:

  1. a unit of astronomical length based on the distance from Earth at which stellar parallax is 1 second of arc; equivalent to 3.262 light years
    同義詞:secpar

parsec詳細(xì)解釋

par.sec

n.(名詞)
A unit of astronomical length based on the distance from Earth at which stellar parallax is one second of arc and equal to 3.258 light-years, 3.08'×03 kilometers, or .98 × 0 3 miles.
秒差距:天文學(xué)自地球起的距離單位,星視差為角秒,等于3.258光年,3.08'×03公里,或.98×0 3英里

來(lái)源:
par(allax)
par(allax)
sec(ond)
sec(ond)

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