“electromagnetic focusing”的概念、定义、翻译、参考文献-科学参考

单词	electromagnetic focusing
释义	electromagnetic focusing Encyclopedia 工学电子注聚焦释 electromagnetic focusing电磁聚焦通过调节线包电流改变磁场的大小和磁场分布，可以比较方便地调节电子注的尺寸和形状，使器件具有高互作用效率和高电子注通过率的电子注聚焦方法。 Physics 电磁学 electromagnetic focusing电磁聚焦
随便看	instantaneous phase instantaneous pole instantaneous power instantaneous power of alternating current instantaneous recombination instantaneous recycling approximation instantaneous rotation axis instantaneous rotation center instantaneous screw axis instantaneous sea surface topography instantaneous soil Radon measurement instantaneous sound field instantaneous spectrum instantaneous speed instantaneous state instantaneous unit hydrograph instantaneous value instantaneous velocity instant copy instant enforcement instantiate instantiation instant message instant message, IM instant messager

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