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The vase is one of a matching pair.

这只花瓶是一对中的一只。

《牛津词典》

Otherwise, pick the third sock. Now the first two socks already cover both color cases. The third sock must be one of those and form a matching pair.

否则，我们在再挑选出一只袜子，我们原先挑出的袜子已经有了两种不同的颜色，第三只袜子的颜色必是其中的一种，这样，我们就挑选出了一双颜色相同的袜子。

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It has to do with the nature of this complementary binding between double stranded DNA and the fidelity of this base pair matching in forming stable DNA molecules.

这些特性能从根本上解释,为何DNA双链的碱基能互补配对,以及在形成稳定的DNA分子结构时,碱基互补配对为何具有一致性

耶鲁公开课 - 生物医学工程探索课程节选

That's because you have to satisfy this base pair matching in order to have hydrogen bonding in each of the struts of the ladder in order to form a stable structure.

NA双链要满足互补配对原则,以使碱基对之间,形成氢键,从而形成稳定的双链结构

耶鲁公开课 - 生物医学工程探索课程节选

Why don't we give Philip both the matching pair and give you each a pair of socks since he didn't get to wear this one, they are brand new, in fact, and a big round of applause for what I'm sure is a little difficult.

我们为什么不给飞利浦一双配对的袜子,给你们每人一双袜子,他还没穿这双袜子，所以这双还算是全新的，再次以热烈的掌声对他们表示感谢,这样的模仿还是有一些难度的。

哈佛公开课 - 计算机科学课程节选

Technology is getting very good at pair matching.

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While we only saw black and white headsets today, matching green and red editions will join the pair before release, so if you've already splashed out on the BMW case and mouse, you can collect the full set.

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The pair raised enough money to fund their own rapid successes, nearly matching the Gamera's flights inside an indoor soccer field near Toronto, Mr. Robertson says.

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