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单词
hollow cathode
释义
hollow cathode
hollow cathode
[
′häl·ō ′kath‚ōd
]
(electronics)
A cathode which is hollow and closed at one end in a discharge tube filled with inert gas, designed so that radiation is emitted from the cathode glow inside the cathode.
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更新时间:2026/4/20 9:00:37