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单词 derived unit
释义

WordReference Random House Unabridged Dictionary of American English © 2024
derived unit, 
  1. Chemistry, Physics(in physics, chemistry, etc.) a unit derived from fundamental units of length, mass, and time.

Collins Concise English Dictionary © HarperCollins Publishers::
derived unit n
  1. a unit of measurement obtained by multiplication or division of the base units of a system without the introduction of numerical factors
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更新时间:2024/11/10 12:53:00