英语词汇“geochronometry”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	geochronometry
释义	geochronometry ge·o·chro·nom·e·try G0091200 (jē′ō-krə-nŏm′ĭ-trē)n. Measurement of geologic time, as through isotopic radioactive decay. ge′o·chron′o·met′ric (-krŏn′ə-mĕt′rĭk) adj. geochronometry geochronometry [¦jē·ō·krə′näm·ə·trē] (geology) The study of the absolute age of the rocks of the earth based on the radioactive decay of isotopes, such as ²³⁸U,²³⁵U,²³²Th,⁸⁷Rb,⁴⁰K, and ¹⁴C, present in minerals and rocks.
随便看	at-risk at-risk adult crime tactics at-risk afterschool snack program at-risk child care at-risk drinking at risk placement next at-risk population at-risk pregnancy at risk rule at-risk rule at risk rules at-risk rules at risk to at risk to her at risk to herself at risk to him at risk to himself at risk to it at risk to me at risk to myself at risk to oneself at risk to (oneself, someone, or something) at risk to ourselves at risk to somebody at risk to someone

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geochronometry