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单词
electron multiplier
释义
electron multiplier
noun
:
a device utilizing secondary emission of electrons for amplifying a current of electrons
Word History
First Known Use
1934, in the meaning defined above
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have a problem with
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have a role to play
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have a rough time (of it)
have a rough time of it
have a rummage
have a screw loose
have a seat
have a second
have a shit
have a snit
have a soft spot
have a soft spot for
have a stab at
have a tantrum
have a thin time
have a thin time (of it)
have a thin time of it
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更新时间:2025/7/7 19:38:51