a chemical analysis used to determine the age of organic materials based on their content of the radioisotope carbon-14; believed to be reliable up to 40,000 years

carbon dating and infrared analysis of leonardo「s techniques back up the theory.

碳定年法和红外线分析法对这幅作品作出的分析鑒定支持了上述说法。

the 36-meter long scroll of soft sheep leather was also subjected to carbon dating tests.

该长达36米的软羊皮经卷也接受了碳元素时间分析鑒定。

carbon dating showed that the vegetation had not seen the sun since at least near the start of the little ice age, some 400 years ago.

碳定年法显示这种植物至少从小冰河时期（大约400年前）开始就从未接触过阳光。

the facts: well, there is no solid way to prove or disprove it, since the very theory says the carbon dating of this age is flawed.

事实说话：因为这个理论宣称当今的年份有误，所以证实它真伪有非常可靠的方法。

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。

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。

carbon dating indicated that the history of these massive statues could be traced back to 400 bc.

碳年代测定法表明，这些巨大雕像的历史可以追溯到公元前400年。

rob: did she just say carbon dating events?

罗布：她刚说的是「低碳约会」的活动吗?。

and we have a lot of schools and colleges planning carbon dating events.

与此同时，我们还组织很多的学校和大学计划开展「低碳约会」的活动。

for decades, archaeologists have used a technique called carbon dating to work out how old their finds are.

几十年前，考古学家就已经开始用一项叫做碳14测年的方法来检测他们发掘的东西有多悠久。

carbon dating of the drawing also linked it to da vinci」s period, according to the experts.

根据专家说法，使用碳定年法也推算出这幅画是达文西年代。

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。

the tree's genetic material age had been calculated using carbon dating at a laboratory in miami, florida.

美国佛罗里达州迈阿密的一个实验室采用碳测年法计算出了它的树龄。