| 单词 | rubidium-strontium dating |
| 释义 | rubidium-strontium dating /rooh bid"ee euhm stron"shee euhm, -sheuhm, -tee euhm/, Geol. a radiometric dating method whereby the ratio of rubidium isotope to strontium in a mineral is used to calculate the age of the mineral, based on the rate of radioactive decay of rubidium to strontium. [1965-70] |
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