“periodic reverse permanent magnet focusing”的概念、定义、翻译、参考文献-科学参考

单词	periodic reverse permanent magnet focusing
释义	periodic reverse permanent magnet focusing Encyclopedia 工学电子注聚焦释 periodic reverse permanent magnet focusing周期反转永磁聚焦极性相反的径向磁化的永磁铁沿电子注行进方向排列，产生周期反转磁场的永磁聚焦方式。
随便看	pivotal isocubic pivotal isogonal cubic pivotal isotomic cubic pivotal response treatment pivot column pivot element pivot in a column pivot in a row pivoting pivoting elimination method pivoting method pivoting procedure pivoting rules pivot matrix pivot method pivot monomial pivot point pivot row pivot theorem Piwi-interacting RNA Piwi-interacting RNA，piRNA Piwi相互作用RNA Piwi蛋白结合RNA pi wordplay PIX

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