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单词 electron tube
释义 electron tuben.(名词)
  1. A sealed enclosure, either highly evacuated or containing a controlled quantity of gas, in which electrons can be made sufficiently mobile to act as the principal carriers of current between at least one pair of electrodes.电子管:一种密闭的容器,或真空或包含一定的气体介质, 在其内电子能迅速移动以作为至少一对电极间的主要电流载体
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