“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	quotient linear space quotient loop quotient manifold quotient map quotient mapping quotient measure quotient module quotient monoid quotient morphism quotient norm quotient object quotient of ideals quotient of language quotient of polynomials quotient of two numbers quotient orientation quotient polygon quotient relation quotient representation quotient ring quotient ring; factor ring quotient rule quotient semigroup quotient seminorm quotient sequence

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