- chronometer comparison
- Техника: сличение хронометра
Универсальный англо-русский словарь. Академик.ру. 2011.
chronometer comparison
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Radiometric dating — (often called radioactive dating) is a technique used to date materials such as rocks, usually based on a comparison between the observed abundance of a naturally occurring radioactive isotope and its decay products, using known decay rates.[1]… … Wikipedia
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