carbon dating
音标发音
- 英式音标 [ˌkɑː.bən ˈdeɪ.tɪŋ]
- 美式音标 [ˌkɑːr.bən ˈdeɪ.t̬ɪŋ]
- 英式发音
- 美式发音
基本解释
- n. [核] 碳测定年代；碳-14年代测定
同根派生
英汉例句
- Legend has it that the tree is 7000 years old, but Sussman has found carbon-dating studies indicating it is a mere 2200 years old.
传说这种树已经7000岁了，但是苏斯曼发现碳测年的结果表明它只有2200年的历史。 - The archaeologists said in the statement that radio-carbon dating put the construction of the circle of bluestones at between 2,400 B.C. and 2,200 B.C., a few centuries later than originally thought.
考古学家在一份声明中说，经放射性碳测年法鉴定，环形巨石阵应该建造于公元前2400年至公元前2200年之间，比之前的推测晚了几百年。 - According to the result of environment tritium math-physical model and carbon-14 age dating, think the renew ability of the thermal water in study area is confined and inhomogeneity.
根据环境氚的数学物理模型计算和碳-14测年结果，关中盆地热水可更新性具有有限性和非均一性特点。 - The team collected pieces of the coral and then used radio-carbon dating methods to find their age.
- Although there were no machines for detecting them systematically before 1935, cosmic rays have left their footprints in the geological record by creating radioactive elements such as the carbon-14 used in carbon-dating.
ECONOMIST: Global warming: In flux The - To do the sleuth work for the various lawsuits, Koch has assigned private investigators (who he described as ex-CIA and ex-FBI agents) tasks ranging from tracking down printers of counterfeit wine labels, to carbon-dating bottles and listening in on a phone call with Greenberg.
FORBES: In Billionaire's Legal Crusade Against Counterfeit Wine, Money Is The Least Of It
双语例句
原声例句
权威例句
词组短语
- carbon -14 dating 碳14年代测定法
- carbon 14 dating 碳年龄测定
- carbon n dating 碳测定年龄
- radioactive carbon -dating method 放射碳定年法
- radio carbon dating technique 放射性碳年代测定技术
短语
英英字典
- a method of calculating the age of extremely old objects by measuring the amount of a particular type of carbon in them
- Carbon dating is a system of calculating the age of a very old object by measuring the amount of radioactive carbon it contains.
剑桥英英字典
柯林斯英英字典
专业释义
- 碳定年法
- 碳测定年龄
- 碳测定年代
- 碳定年法