parsec

 
['pɑːsek]     ['pɑːˌsek]    
  • n. 表示天體間距離的單位
new

parsec的英文翻譯是什麼意思,詞典釋義與在線翻譯:

英英釋義

Noun:
  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

今日熱詞
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