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parsec 音标拼音: [p'ɑrs,ɛk]

n. 表示天体间距离的单位

表示天体间距离的单位

WordNet (r) 3.0 (2006) (WordNet)

parsec
n 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 [synonym: {parsec}, {secpar}]

The Collaborative International Dictionary of English v.0.48 (gcide)

parsec \par"sec\ (p[aum]r"s[e^]k), n. [From parallax second. See
{parallax second} and {annual parallax}, under {parallax}.]
(Astron.)
A unit of length used in describing astronomical distances,
equal to 3.26 light years, or 3.086 x 1013 km. Abbreviated
pc. The derived units of kiloparsec (kpc, 1000 parsecs) and
megaparsec (mpc, one million parsecs) are often found in
discussion of astronomical distances.
[PJC]

The Free On-line Dictionary of Computing (foldoc)

An extensible language with {PL/I}-like {syntax},
derived from {PROTEUS}.

["PARSEC User's Manual", Bolt Beranek & Newman, Dec 1972].

(2009-06-26)

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单词	字典	翻译
PARSEC	查看　PARSEC　在百度字典中的解释	百度英翻中〔查看〕
PARSEC	查看　PARSEC　在Google字典中的解释	Google英翻中〔查看〕
PARSEC	查看　PARSEC　在Yahoo字典中的解释	Yahoo英翻中〔查看〕

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