radioactive dating meaning in Chinese
【地质学；地理学】放射衰变年代鉴定。
Examples
- Radioactive dating showed the crystals from western australia varied in age from 3 . 06billion to 4 . 25billion years ， making them almost 1billion years older than the previous oldest - knowndiamonds
放射性断代测出来自澳大利亚西部的这种晶体在30 . 6亿到42 . 5亿年前间发生变化，这比之前已知最古老的钻石还早10亿年左右。