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atomic fountain
释义
atomic fountain
atomic fountain
[
ə¦täm·ik ′fau̇nt·ən
]
(atomic physics)
A device in which atoms in a magnetooptic trap from a thermal beam are pushed upward with a pulse of laser light, causing them to assume a ballistic trajectory; used for studying free-falling atoms.
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on the wane
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on the watch for one
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更新时间：2026/6/11 3:58:57