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uniform field focusing
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uniform field focusing
Encyclopedia
工学
电子注聚焦
释
uniform field focusing
均匀场聚焦
使电子注内空间电荷发散力、离心力和磁聚焦力之间达到平衡,使电子注没有波动或波动很小的电子注聚焦方法。
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country ruled by law
Countryside Road Project
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Country Teachers
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County Magistrate Niu Liujin
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Coup at Renshou Palace
coup attempt by Gutierrez four brothers
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