They put tiny tracking devices and cameras on the birds' backs and then followed their movements using global positioning systems.

This article studies global positioning systems ( GPS) multipath signal estimation.

研究全球定位系统（GPS）多径信号估计的问题。

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For today's global positioning systems, outstanding antenna performance is a must.

今天的全球定位系统，优秀的天线性能是必须的。

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Global Positioning Systems are now a part of everyday driving in many countries.

全球定位系统现在成为很多国家的百姓日常驾驶中不缺少的一部分。

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The method used in this paper is realised using IBM/ PC microcomputer, It first segmentally transforms ECG original data via fast cosine transform, then statistically counts up transform domain coefficient by variance and sifts coefficient using "variance criterion".

本文方法用ICM/PC微机实现，它首先对心电图原始数据分段进行快速余弦变换（FCT），然后，方差统计变换域系数，采用方差准则筛选系数。

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Its app gives users access to the company's13 million songs and, as we sit in a San Francisco caf é, president Jon Irwin sifts through music on his phone with a palpable excitement.

当我们坐在旧金山的一家咖啡店里时，公司总裁乔恩•欧文本人就在用自己的手机挑选音乐，兴奋之情，溢于言表。

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For see, I have given the command to sift the house of Israel among all the nations, As one sifts with a sieve, letting no pebble fall to the ground.

看，我必下令，要在万民中如人用筛子筛以色列，不让一粒落在地上。

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The thesis uses network crawler to collect information from a large-scale webpage and sifts the collected webpages by judging the page importance with analysis of link analysis algorithm.

使用网络爬虫实现对网页的大规模采集，通过链接分析判断网页重要性，对采集的网页进行筛选。

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Foreign competition sifts and sorts firms, winnowing out the weakest firms and leaving a greater share of the market to their stronger rivals.

国外竞争使企业进行筛选和分类，那些弱小的企业就被踢出，更大的市场份额就会留给他们强劲的对手。

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Methods: Diagnostic kid for antibody HIV Colloidal-Gold was used for the preliminary sifts, then the positive samples were reconfirmed by ELISA.

方法··：采用金标快速测试卡进行初筛，阳性标本用酶联免疫吸附试验复试，阳性者再经北京市卫生防疫站进行确诊。

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The research demonstrated how the brain sifts out all sorts of relevant material, not just doughnuts, from a world full of stimuli.

该研究论证了大脑如何从充满刺激的外界中筛选出各种相关的东东，而不仅仅是甜甜圈。

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Andy grabs a handful of dirt and sifts it through his hands.

安迪抓起一把土，在手中拔拉。

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It then sifts through all the gadgets on its host machine until it has put together the required list of instructions.

然后通过在其主机上的所有的“小玩意”进行筛选，直到把所需的指令列表放在一起。

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Results UPI sifts 446 "a kind of question" students, confirm 52 A students through interview;

结果UPI筛查出一类问题学生446人，经访谈确定A类学生52人；

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Analysis on hybridized chip sifts 12 significant up-regulated genes and 221 significant down-regulated genes.

杂交后的芯片经数据分析后，共筛选出显著上调基因12个，显著下调基因221个。

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The paradoxical thinking of poetry often spoils or sifts the special value of poetry;

诗之思的悖论性往往损害或过滤掉诗的那些特有价值；

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Another filter sifts out those with foreign cell phone numbers.

另一种过滤方法，能将持有外国手机号码的人筛选出来。

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His explanation of where he got the money from just doesn't hold water.

他对这笔钱的来源的解释是站不住脚的。

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None of your arguments seemed to me to hold water.

照我看来，你那些论点没有一个能站得住脚。

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None of his arguments seemed to me to hold water.

在我看来，他的观点没有一个是站的住脚的。

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His argument can hold water all right.

他的论点很有道理。

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