“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	continental drift theory continental drift theory, continental drift hypothesis， continental displacement theory continental dynamics continental facies continental glacier continental glaciers in China continental heat flow continental heat flux continentality continental law system continental margin continental marginal arc igneous rocks assemblages continental margin of andean type continental margin of western pacific type continental movement continental original theory of petroleum continental rift basin continental rift system or continental rift valley system continental rise continental shelf continental shelf ecosystem continental shelf fishing ground continental shelf trapped wave continental shelf trap wave continental slope

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