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中间极
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〔dynode〕
An electrode used in certain electron tubes to provide secondary emission.
中间极
，二次发射电极：一种用于一定电子管作第二次发射电极
美国传统
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fee paid
fee-simple
feeble
feeble-minded
feebleness
feebly
feed
feed back
feed in
feed into
feed line
feed off
feed on
feed the kitty
feed to
feed trough
feed up
feed water
feedback
feedback device
feedback loop
feedback system
feedbag
feeder
feeders
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更新时间：2025/1/24 12:27:20