最常用的方法是放射性碳定年法。
在这种情况下，铀铅定年法被用来确定样本中一半的砂岩是在阿巴拉契亚山脉花岗岩形成的同时形成的。
In this case, Uranium-Lead Dating was used to establish that half of the sandstone in the samples was formed at the same time the granite in the Appalachian Mountains was formed.
反垄断法和政策持这样的观点：当制造商用一定途径对其分销商网络进行控制时，消费者获得了好处。
Antitrust law and policy have adopted the view that consumers benefit when a manufacturer exercises control over its network of distributors in certain ways.
随着堕胎法变得越来越严格和在美国更为保守的地区的堕胎诊所愈加难于就医，这些案件对预测未来走向具有一定的参考作用。
These cases are a harbinger of what’s tocome as abortion laws become increasingly strict and abortion clinics harder toaccess in the more conservative parts of the country.
有很多方法…在英语系不一定还是，历史批判法，但是专业学者有不同的主流方法，用来构造他们的学科。
There are methods, and it's not necessarily the historical method in English departments anymore, but there are different dominant methods that academics use to construct their disciplines.
通常建议人们采用最佳“提取率”法，就是每年提取一定比例的退休金做为年收入，用以防止过早地花光退休金而出现生活困顿。
Usually advice has focused on the best “withdrawal rate”, the proportion of the pension pot that can be taken as annual income while minimising the risk that the retiree outlives his or her savings.
云雾降温法也许可以缓解地球的发热程度，或者为减排措施发挥期待效应争取一定的时间。
Cooling might take the edge off the peak of a planetary fever, or perhaps buy time as emissions cuts begin to have the desired effects.
颁布了《家庭医疗休假法》后，美国终于和其它150个国家一样，确证工人们在孩子出生或家人生病时可以享有一定的休假。
With the Family and Medical Leave Act, the United States at last joined more than 150 other countries in guaranteeing workers some time off when a baby is born or a family member is sick.
博弈者可以看到棋盘上每一步着法，也互相知道对方的行动，双方不能同时走棋，但依照一定顺序。
Both players can see everything about the position on the chess board, and they know each other's moves, for the moves are not played at the same time but rather in order.
碳定年法和红外线分析法对这幅作品作出的分析鉴定支持了上述说法。
Carbon dating and infrared analysis of Leonardo's techniques back up the theory.
同济校区里裘法祖之树一定更加茁壮，你和恋人常坐的石凳是否还是老模样？
The tree of Qiu Fazu in Tongji campus must grow stronger, but the stone bench you and your lover usually sit on it is yesterday’s one?
法向量或者指向我们，或者背向我们,这要根据我们选的方向来定。
Well, the normal vector is either coming straight at us, or it's maybe going back away from us depending on which orientation we've chosen.
对墨西哥人的敌意也开始在美国扩散。 一些脱口秀用到“法士达流感”（译者：法士达，即墨西哥肉卷，在此带有一定侮辱性）和“被感染的非法移民”等称呼。
Hostility towards Mexicans spread to the United States where talkshows referred to "fajita flu" and "infected illegal aliens", injecting fresh rancour into the immigration debate.
use - when测试还可以帮助选择定序法，只要包含的表达式告诉您可用何种排序法。
A use-when test can also help you choose collations, as long as it includes an expression that will tell you which collations are available.
已知华法林可以和一定范围的药物甚至是一些食物与饮料互相作用，例如酸莓汁。
Warfarin is known to interact with a range of drugs and even some foods and drinks, such as cranberry juice.
而且输入法跟大陆的也不一定一样，你可能不会用。
Input method and not necessarily with the mainland, you may not use.
该法不仅可以减少实验成本而且能够提供较为可信的最优工艺条件，具有一定的实用价值。
The method of ANN model can not only decrease the cost of research but get the applicable optimal conditions of the technics.
你按照这样的养生法一定可以长寿。
通常采用另外一些目视法来确定非常定流断续失速和全失速的出现。
Additional visual observations are usually in order to establish the advent of unsteady flow, intermittent stall, and full stall.
而案例研究法的出现在一定程度上打消了这些顾虑，并且拉近了课堂与现实世界的距离。
The development of the case method was in part a way of addressing these concerns, and blurring the lines between the "real world" and the classroom.
应用升力面理论涡格法和面元法，建立了拖式吊舱推进器非定常水动力性能的数值计算方法。
Based on potential flow theory, a numerical method is proposed for predicting the steady and unsteady hydrodynamic performances of puller type podded propulsors.
对模特们有效的不一定对每个人都有效…你尝试过的不成功的液体节食法作为证据难道还不够吗。
What works for models doesn't work for everyone... in case that unsuccessful liquid diet you tried wasn't enough proof.
该装置可在高围压及高孔隙水压力条件下采用定水位法、定流量法或压力脉冲法测试岩石的渗透系数。
This system can implement constant-head, constant flow-rate and transient-pulse permeability tests of specimen under high confining and pore pressures.
以优质煤为原料，用水蒸汽法生产的不定型活性炭，具有一定抗压强度，易再生。
Unshaped active carbon produced through water steaming method with qualified coal as raw material. The products of these are easy in reproduction and strong against pressing.
以优质煤为原料，用水蒸汽法生产的不定型活性炭，具有一定抗压强度，易再生。
Unshaped active carbon produced through water steaming method with qualified coal as raw material. The products of these are easy in reproduction and strong against pressing.
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