carbon dating

常見例句

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.
傳說這種樹已經(jīng)7000歲了，但是蘇斯曼發(fā)現(xiàn)碳測年的結(jié)果表明它只有2200年的歷史。
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.
考古學(xué)家在一份聲明中說，經(jīng)放射性碳測年法鑒定，環(huán)形巨石陣應(yīng)該建造于公元前2400年至公元前2200年之間，比之前的推測晚了幾百年。
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.
根據(jù)環(huán)境氚的數(shù)學(xué)物理模型計算和碳-14測年結(jié)果，關(guān)中盆地?zé)崴筛滦跃哂杏邢扌院头蔷恍蕴攸c。

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.
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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.
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The age of the cloth was determined by Carbon-14 dating.
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