电子专业英语
发布时间:2011-3-8 21:44
发布者:Tommyde
The vacuum tube is an electron tube from which all or most of the gas has been removed, permitting electrons to move with no or low interaction with any remaining gas molecules. 真空管是一种内部气体全部或部分抽空的电子管,从而使电子在不受或少受气体分子的干扰下运动。 |
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