secpar

 
['sekpɑːr]     ['sekpɑːr]    
  • n. 秒差距(天文距離單位之一)
new

secpar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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