quadrupole
quadrupole
[ˈkwɒdrʊpəʊl]
noun
[ˈkwɒdrʊpəʊl]
noun
- (Physics)a distribution of electric charge or magnetization consisting of four equal monopoles, or two equal dipoles, arranged close together with alternating polarity and operating as a unit
(物理)四极
■a device using such an arrangement directed at one point to focus beams of subatomic particles
四极聚向设备
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