“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	pigment of oil painting pigment of traditional Chinese painting pigment printing pigmentum pigmy dipole resonance pigovian tax pig population structure pi-group pig-shaped bronze You Pig-shaped Bronze Zun pig slaughtering and cutting equipment pig slaughter quarantine pigs weaned per sow per year pig traps pig trough Pigua Quan Pig war pi heptomino Pihuang tune PIIGS pi-iteration pi-junction Pi Ke pike congers PI kinase

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