两种方法都依赖于对气体压力的准确测定。
Both methods rely on the accurate determination of the pressure of the gas.
其他悬而未决的问题是，鼻子是否是全身中唯一受气味影响的部位，而且考虑到气味的非物质性成分，怎样才能够客观地测定它。
Other unanswered questions are whether the nose is the only part of the body affected by odours, and how smells can be measured objectively given the nonphysical components.
那个数值与今天雷达测定的149,597,870公里相当接近，就当时来说准确度很合理，雷达在精度上已经取代了凌日和其他所有方法。
Reasonably accurate for the time, that is quite close to today's value of 149,597,870 km, determined by radar, which has now superseded transits and all other methods in accuracy.
已采集患者的血样供测定血型用。
人类基因组的序列现已测定。
良好的年代测定是优秀分析的关键。
我要讲一种特殊的年代测定法。
地层学被用于测定可移动艺术品的年代。
铀-铅年代测定法有一些相当令人兴奋的可能性。
There are a few pretty exciting possibilities for Uranium-Lead Dating.
事实证明，放射性碳年代测定法适用于许多史前艺术品。
It turns out that radiocarbon dating works for a lot of prehistoric art.
就像我之前说到的，铀铅年代测定法已经存在一段时间了。
Like I said before, Uranium-Lead Dating has been with us for a while.
汤姆，你在考古学课上有没有讨论过放射性碳年代测定法？
Tom, in your archaeology class, did you talk about radiocarbon dating?
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。
I'll predict that Uranium-Lead Dating is going to become an increasingly popular dating method.
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 shows that the charred wood in Terra Preta soils is typically more than 1,000 years old.
这些矿物可以用放射性衰变技术测定年代，因为它们所含的放射性微量元素非常少。
These minerals can be dated by radioactive decay techniques because of the very small quantities of radioactive trace elements they, in turn, contain.
他们指出，只有一个实验室在没有得到其他实验室独立确认的情况下为夏维特进行了年代测定。
They noted that only one lab did the dating for Chauvet, without independent confirmation from any other lab.
澳大利亚岩石艺术的年代一直在不断被修正，而且由于新的发现，人们提出了更早的测定年代。
The age of Australia's rock art is constantly being revised, and earlier datings have been proposed as the result of new discoveries.
今天我想谈谈一种使我们能够确定一块土地或其他一些地质特征的年代的方法——年代测定技术。
Today I want to talk about a way in which we are able to determine how old a piece of land, or some other geologic feature is—dating techniques.
钻石是稀有火成岩（称为煌斑岩和金伯利岩）中偶尔出现的一种成分，其年代测定方法从未令人满意。
Diamonds, an occasional component of rare igneous rocks called lamproites and kimberlites, have never been dated satisfactorily.
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