“electromagnetic focusing”的概念、定义、翻译、参考文献-科学参考

单词	electromagnetic focusing
释义	electromagnetic focusing Encyclopedia 工学电子注聚焦释 electromagnetic focusing电磁聚焦通过调节线包电流改变磁场的大小和磁场分布，可以比较方便地调节电子注的尺寸和形状，使器件具有高互作用效率和高电子注通过率的电子注聚焦方法。 Physics 电磁学 electromagnetic focusing电磁聚焦
随便看	flooding into pier foundation pit flooding irrigation for grassland flooding network flooding of ore deposits flooding polymer flooding stress flooding therapy flood insurance flood investigation floodlight floodlighting flood mark flood monitoring by remote sensing flood of Haihe River in 1939 flood of Huanghe-huaihe-haihe-changjiang Four Rivers in 1662 flood of middle reaches of the Yellow River in 1843 flood of Yangtze River and Huaihe River in 1931 flood of Yangtze River in 1935 flood period flood plain floodplain flood plainhirst flood plain subfacies flood prevention flood protection area of urban

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