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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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Great Hall of the People
great harmony
Great Harris Papyrus
Great Himalayan National Park
Great history
great icosahedron
Great Idea
Great Inagua Island
great inequality
Great Irish Famine
Great Jianfu temple
great knot
Great Lakes
Great Lakes Region
Great Lakes-St.Lawrence Seaway System Waterway
Great Lakes Water Quality Agreement between the United States and Canada
Great Land Reform Movement
Great Larousse Encyclopedic Dictionary
Great Larousse of the French Language
great leaf-nosed bat
Great Limpopo Transfrontier Park
Great Looped Nebula
Great Manmade River
Great Merits in a New Era
Great Merit Third Company of an Army Unit
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