radiocarbon

放射性炭英释中释nRadiocarbon is a type of carbon that is radioactive, and which therefore breaks up slowly at a regular rate. Its presence in an object can be measured in order to find out how old the object is.

1 radiocarbon dating,放射性碳测定年代；碳同位素年龄测定

1 The most frequently used method is radiocarbon dating..最常用的方法是放射性碳定年法。