“周期永磁聚焦”的概念、定义、翻译、参考文献-科学参考

单词	周期永磁聚焦
释义	周期永磁聚焦 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	information-oriented exhibition information output of organization information overload information packet information panel information paradigm information paradox information pattern information phenomenon information philosophy information place information policy information policy in China information pollution information poor information portal Information poverty information power grid information power grid, IPG information power theory information pretreatment information privacy protection information processing Information Processing and Management information processing equipment

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。