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单词 direct-current
释义

WordReference Random House Learner's Dictionary of American English © 2024
diˈrect ˈcur•rent, n. [uncountable]
  1. Electricityan electric current of constant and only one direction. Abbr.: DCCompare alternating current.

WordReference Random House Unabridged Dictionary of American English © 2024
direct current. 
  1. Electricityan electric current of constant direction, having a magnitude that does not vary or varies only slightly. Abbr.: dc  Cf. alternating current.
  • 1885–90
di•rect-current, adj. 

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