“focusing magnet”的概念、定义、翻译、参考文献-科学参考

单词	focusing magnet
释义	focusing magnet [`fō·kǝs·iŋ ´mag·nǝt] ^ELECTRONICS A permanent magnet used to produce a magnetic field for focusing an electron beam.
随便看	electrochemical coating liner plate cofferdam lines line scanner line segment line-segment formula line-sequential color television line shafting line side line skew linesman line source line space lever line spectrum line speed lines per minute line squall line-stabilized oscillator line storm line strength line stretcher line switching line switching concentrator line synchronizing pulse line timbers

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