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单词 optical dating
释义

optical dating

Archaeol.
noun
A technique for determining the time since a mineral sediment was last exposed to sunlight, in which electrons trapped at light-sensitive locations within the mineral are excited using an intense light source, and the resulting luminescence is measured.

Origin

1980s; earliest use found in Nature: a weekly journal of science.

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更新时间:2024/9/21 22:43:49