| 单词 | rubidium-strontium dating |
| 释义 | rubidium-strontium dating (extremely rare) n WORD FAMILY rubidium-strontium dating n geological dating based on the proportions of radioactive rubidium into its decay product strontium; radioactive rubidium has a half-life of 47,000,000,000 years Hyper dating, geological dating use of chemical analysis to estimate the age of geological specimens |
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