| 1. | Absolute age determination
绝对年代测定 |
| 2. | Carbon - 14 dating
碳14年代测定法 |
| 3. | The question remains open until the authorities allow further dating tests to be done
问题仍然展开，直到权威人士允许更进一步的年代测定。 |
| 4. | Metallogenic conditions and prospecting for copper - nickel type deposits in mafic - ultramafic rocks in inner mongolia
超镁铁岩体的年代测定及其意义 |
| 5. | The radiocarbon ages of charcoal and their implication derived from ciergou site along the haiyuan strike - slip fault
永定河上游晚更新世晚期以来的堆积阶地年代测定 |
| 6. | For decades , archaeologists have used a technique called carbon dating to work out how old their finds are
几十年来，考古学家已经用名为碳年代测定的方法计算出他们所发现文物的时间。 |
| 7. | A three - story pyramid dating 5000 years back has been discovered in north china ' s inner mongolia autonomous region
在中国北部内蒙古自治区已经发现三层楼高的金字塔,年代测定追溯到5000年。 |
| 8. | 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） 。 |
| 9. | The portion of the shroud used for the radiocarbon dating was from a corner , which would have been handled often , increasing the likelihood of contamination
来自裹尸布一角的部分用作放射性碳年代测定，通常是经过处理的增加了被污染的可能性。 |
| 10. | The team used several methods to date a variety of material from the site near puebla , mexico , in order to be sure they were right about the age
该小组运用多种方法对墨西哥普埃布拉附近遗址的各种物质进行了年代测定，以此确保他们得出的结果是正确的。 |
