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单词
uniform field focusing
释义
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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near zero emission
near-zero emission
near-zero wear
near zone field
near-α titanium alloy
near-β titanium alloy
NEAR-舒梅克号
NEAR-舒梅克号探测器
NEAT
neat
neat complex
neatness
neatness inspection of raw silk
neat ring
neat structure
neat subgroup
NEB
nebkha
Neblina Peak
Nebra Disc
Nebraska State
nebula
nebula filter
nebular envelope
nebular hypothesis
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