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单词 magnetron
释义
N5014348magnetronSpoken.0Fiction.1Magazine.18Newspaper.1Academic.28

magnetron

/ˈmægnɪtrɒn/
noun
an electron tube for amplifying or generating microwaves, with the flow of electrons controlled by an external magnetic field
磁控管。
词源
early 20th cent.: from MAGNETIC + -tron from ELECTRON.
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