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

单词	periodic permanent magnetic focusing
释义	periodic permanent magnetic focusing Encyclopedia 工学电子注聚焦释 periodic permanent magnetic focusing周期永磁聚焦采用沿电子注行进方向周期变化的磁场实现电子注聚焦的磁聚焦方式。简称PPM聚焦。
随便看	tropical zone in China tropic movement Tropic of Cancer Tropic of Capricorn tropics tropinone tropism tropistic movement tropocollagen tropoelastin tropolone tropomyosin tropone troponin tropopause tropopause fold tropopause inversion layer troposcatter troposphere troposphere chemistry troposphere delay correction tropospheric tropospheric attenuation tropospheric biennial oscillation tropospheric delay

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