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单词 weston standard cell
释义

Collins Concise English Dictionary © HarperCollins Publishers::
Weston standard cell /ˈwɛstən/ n
  1. a primary cell used as a standard of emf, producing 1.018636 volts: consists of a mercury anode and a cadmium amalgam cathode in an electrolyte of saturated cadmium sulphate
Etymology: 20th Century: from a trademark
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