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单词
oxide-coated cathode
释义
oxide-coated cathode
oxide-coated cathode
[
′äk‚sīd ‚kōd·əd ′kath‚ōd
]
(electronics)
A cathode that has been coated with oxides of alkaline-earth metals to improve electron emission at moderate temperatures. Also known as Wehnelt cathode.
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更新时间:2024/9/23 18:22:57