The most frequently used method is radiocarbon dating.
最常用的方法是放射性碳定年法。
Tom, in your archaeology class, did you talk about radiocarbon dating?
汤姆，你在考古学课上有没有讨论过放射性碳年代测定法？
It turns out that radiocarbon dating works for a lot of prehistoric art.
事实证明，放射性碳年代测定法适用于许多史前艺术品。
Radiocarbon dating shows that the charred wood in Terra Preta soils is typically more than 1,000 years old.
放射性碳年代测定法显示，亚马逊黑土中被烧焦的木头通常有1000多年的历史。
Radiocarbon dating had to do with chemical analysis, something to do with measuring the amount of radiocarbon that's left in organic stuff.
放射性碳年代测定法涉及到了化学分析，与文物中残留的有机物成分所释放的放射性碳的含量测定有关。
Evidence that an ice-free corridor between two ice sheets developed when the continental ice first began to melt came primarily from radiocarbon dating.
当大陆上的冰开始融化时，两块冰原之间形成了一条无冰走廊，这一证据主要来自放射性碳测年法。
Radiocarbon dating of fossils taken from caves on islands along southeastern Alaska's coast suggest that at least a portion of the area was remaining ice-free during the last ice age.
从阿拉斯加东南海岸岛屿的洞穴中提取的化石的放射性碳年代测定法表明，在最后一个冰河时代，该地区至少有一部分保持无冰状态。
And its use in radiocarbon dating.
它使用于放射性碳年代测定法。
Radiocarbon dating places the site at ca.
放射性碳测年地方网站在CA。
Radiocarbon dating in 1988 showed the cloth was made between 1260 and 1390.
放射性碳年代测定法显示，那块布料产于1260年与1390年之间。
So it turns out that radiocarbon dating works for a lot of prehistorical art.
所以放射性碳年代测定对许多史前艺术有用。
Radiocarbon dating showed that the head's age matched the king's date of death.
放射性碳显示这个头颅的年龄符合国王的死期。
Radiocarbon dating experts have also found advantages from working onsite with archaeologists.
放射性碳测定年代的专家们还发现了在考古现场工作的各种优点。
Radiocarbon dating provides a range, often spanning 200 years or more, rather than an exact date for a site.
采用放射性碳技术来测定一处考古遗址的年代，得到的并不是一个准确日期，而是一个时间跨度范围通常为200年或更久远的数值。
If the claims of this testimony are correct, it would be consistent with the radiocarbon dating of the shroud (see below).
如果这个见证的声称是真实的话，那么裹尸布的放射性碳年代测定将会相互一致(见下)。
Using the technique of radiocarbon dating, they all agreed that the cloth dated to the 13th or 14th century (1260 to 1390).
他们使用放射性碳年代测定法，都同意布料是回溯到十三或十四世纪(1260年到1390年)。
Radiocarbon dating of the bones of three children killed by the earthquake establish that the event took place around 1920 B. C.
用放射性碳测年法对在地震中丧生的三名儿童的遗骸进行检测后，研究者确定洪水大约发生在公元前1920年。
Accelerators also used for radioisotope production, cancer therapy, Biological sterilization, and one form of radiocarbon dating.
加速器也用于制造放射性同位素、治疗癌症、生物消毒及放射性碳定年。
The researchers used radiocarbon dating on22 pieces of microscopic charcoal found among Neandertal tools in fire pits in Gorham Cave.
研究者们使用放射性碳方法为在山洞中发现的22片木炭确定年代。
Who says there are no pyramids in Bosnia? Radiocarbon dating method confirmed that the Bosnian pyramid of the Moon was built about ten thousand years ago!
谁说波斯尼亚没有金字塔？放射性碳年期测试法证实，波斯尼亚的月亮金字塔被建于一万年前！
Radiocarbon dating indicates the figure excavated from an archaeological dig in southern Germany, near the Danube valley, was at least 35,000 years old, the researchers said.
研究人员称，根据放射性碳年代测定法的测定结果，德国南部多瑙河流域附近的一处考古遗址中出土的这尊雕像距今至少有三万五千年。
Radiocarbon dating indicates the figure excavated from an archaeological dig in southern Germany, near the Danube valley, was at least 35, 000 years old, the researchers said.
研究人员称，根据放射性碳年代测定法的测定结果，德国南部多瑙河流域附近的一处考古遗址中出土的这尊雕像距今至少有三万五千年。
Results of radiocarbon dating showed that the chestnut soils of China and the mollisols in other countries of the world were the product of the same period, formed about 6000 years apo.
结果表明，我国栗钙土与其它国家的软土系同一时期的产物，它们形成于大约6000年以前。
Because they rely on estimation, relative techniques like stratigraphy are considered less precise than absolute techniques, like radiocarbon dating or verification from written records.
因为他们象地层学那样依赖相关的技术进行推测，其精确度不如用放射性碳元素断定或根据记录来断定年代的方法。
Unlike traditional radiocarbon dating, which can be bought off the shelf, Dr Bayliss reckons it takes between three and four years to train a graduate researcher to use the new technique properly.
传统的放射碳断代法是一种现学现卖的技术，但地层学与之不同，Bayliss博士认为培养一名完全掌握此项新技术且具有硕士学位的研究人员得需要三到四年的时间。
Various labs are doing radiocarbon-dating of the bones to more precisely date them.
不同的实验室正在对这些猛犸象骨骼进行放射性碳测定，以更加精确地得知这些化石的年龄。
Virtual Dating Radiocarbon (Carbon-14) applies to once-living materials that are less than 50,000 years old.
虚拟测年放射性碳（碳14）模型应用于测量年龄小于50000年的物质。
Virtual Dating Radiocarbon (Carbon-14) applies to once-living materials that are less than 50,000 years old.
虚拟测年放射性碳（碳14）模型应用于测量年龄小于50000年的物质。
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