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单词
uranium-lead dating
释义
uranium-lead dating
uranium-lead dating
[
yə′rā·nē·əm ′led ′dād·iŋ
]
(geology)
A method for calculating the geologic age of a material in years based on the radioactive decay rate of uranium-238 to lead-206 and of uranium-235 to lead-207.
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更新时间:2025/6/30 2:51:09