carbon-dating的意思|示意

According to carbon dating, millet and rice in China and southeastern Asia were domesticated about 3000 BC: and corn and beans in Mexico about 7000bc.

根据碳测定，小米和大米在中国和东南亚是在公元前大约3000年驯化，而玉米和豆类在墨西哥则是在公元前7000年驯化。

Carbon dating works by comparing the amount of carbon 14, which is a less common and less stable form of carbon, to the more abundant carbon 12.

碳的年代测定工作是将碳14(碳处于这种状态并不常见，也不稳定)与碳12(碳的常见状态)的含量进行对比。

Radio carbon dating puts the origin of the shroud between 1260 C. E. and 1390 C. E., consistent with the theory that it was a forgery.

根据碳同位素测定，该亚麻布产于1260年至1390年之间，不过许多人坚持认为这是伪造的。

Carbon dating provides the archaeologist with a basic chronological framework.

碳元素年代测定法给考古学家提供了基本的年代框架。

Find a good description of the dating process here. After carbon-14 spread throughout the globe, tiny amounts of the gas were taken up by the slow-growing mosses.

在碳- 14散布到全球之后，微量的这种气体被缓慢生长的苔藓吸收。

In the case of the lotus, the age was worked out by carbon dating of the fruit.

关于上面的莲花一例，可以通过碳定年来确定果实的年龄。