a.u.

 
       
  • (=adusum) (拉)根據慣例
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a.u.的英文翻譯是什么意思,詞典釋義與在線(xiàn)翻譯:

英英釋義

名詞 au:
  1. a soft yellow malleable ductile (trivalent and univalent) metallic element; occurs mainly as nuggets in rocks and alluvial deposits; does not react with most chemicals but is attacked by chlorine and aqua regia

  2. a unit of length used for distances within the solar system; equal to the mean distance between the Earth and the Sun (approximately 93 million miles or 150 million kilometers)

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