Sift out the wheat from the chaff.
把小麦的壳筛出来。
Due to the vast amounts of data stored, technology is needed to sift through it, make sense of it, and draw conclusions from it.
由于储存数据量非常巨大，因此需要通过技术手段从中筛选出有意义的数据并得出结论。
When trying to sift science fiction's accurate predictions from its erroneous ones, it is worth applying the following three tests.
当我们从这些科学幻想的作品中去伪存真，把精准的预言从错误的推断中过滤出来的时候，就有必要用到下面三个测试去判断了。
But as demographers sift through recent data releases from the Census Bureau, they have found that Jacksonville is home to one of the biggest populations of gay parents in the country.
但人口统计学家根据美国人口调查局发布的最新数据发现：Jacksonville是美国拥有同性恋人口最多的城市之一。
They sift old pieces of food from the oil and then resell it to restaurants and vendors looking to cut costs.
他们过滤掉地沟油里的食物残渣，然后将油重新卖给希望削减成本的餐馆和商贩。
For journalists, the challenge is to sift fact from propaganda.
对于记者来说，挑战在于如何从宣传中筛选出事实。
"Crowdsourcing" projects bring readers and journalists together to sift through troves of documents, from the expense claims of British politicians to Sarah Palin's e-mails.
从英国政客的费用报销到萨拉·佩林的电子邮件，“群众外包”工程将读者和新闻工作者连在了一起，共同筛选找到的资料文件。
They were being cremated where they lay, and armed guards were having to force laborers to sift through the horror to extricate the remainder of the dead from the rubble.
武装人员强迫劳工在恶劣的情况下，从瓦砾中，拽出残留的尸体，就地焚烧。
The SIFT keys derived from an image are used in a nearest-neighbour approach to indexing to identify candidate object models.
从图象获得的过滤钥匙用于对辨认候选人对象模型的标注的一种近邻居方法。
Our descriptor is inspired from earlier ones such as SIFT and GLOH but can be computed much faster for our purposes.
我们的描述符的灵感来自较早的如SIFT和GLOH，但我们的目的，可以更快的计算。
She had to sift ashes from the cinders.
她只好把煤渣中的灰筛出去。
The teacher will sift the evidence and decide which boy copied from the other.
老师将仔细调查证据以确定是哪个孩子抄了哪个孩子的。
It is important to sift the true from the false in studying history.
研究历史时去伪存真是很重要的…动词。
When they sift through the debris , they are just as likely to recover items from a home, thousands of yards away.
当他们通过那片废墟的时候，他们的样子像是能找到家里的东西似的，尽管家在几百码之外。
Reasonably setting the threshold value, SIFT algorithm can handle the technical problems such as cutting the object from its background.
合理设置SIFT算法的阈值还可以有效处理物体背景分割等技术问题。
Reasonably setting the threshold value, SIFT algorithm can handle the technical problems such as cutting the object from its background.
合理设置SIFT算法的阈值还可以有效处理物体背景分割等技术问题。
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