英语词汇“secpar”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词

secpar

释义

Noun: secpar

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
- parsec

Derived forms: secpars

Type of: astronomy unit

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