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parsec的意思

parsec

英 ['pɑsek] 美 ['pɑr,sk]
  • n. 秒差距(表示天体间距离的单位)

parsec

英文词源


parsec (n.)
interstellar distance measure, 1913, from first elements of parallax second. It is the distance at which an object has parallax (viewed from Earth) of one second of arc, or about 3.26 light-years.

双语例句


1. It uses Parsec as a parallel discrete - event simulation language.
它使用并行离散事件仿真语言Parsec作为 自己的编程语言.

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