I'll predict that Uranium-Lead Dating is going to become an increasingly popular dating method.
我预测铀-铅年代测定法将会成为一种越来越流行的年代测定方法。
A problem with this dating method is that an object could have been carried around, used for several generations before it was discarded.
这种年代测定法的一个问题是,有可能某一件东西从一个地方被带到了另外的地方,且被好几代人用了之后才被埋入土中。
The second dating method was palaeo - magnetic analysis, or magnetic polarity stratigraphy .
第二种测定法是古磁学分析法, 也叫磁极地层学测定法。
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