We study the effect of secondary structural elements by considering much lower pair contact energy in secondary structure like elements with HP lattice model.

利用HP格点模型，我们考虑处在类二级结构元中的接触对具有更低的能量来研究二级结构对折叠的影响。

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The two elements of a lower pair have theoretical surface contact with one another, while the two elements of a higher pair have theoretical point or line contact (if we disregard deflections).

这两个因素中的低副是两个理论表面之间的接触，而这两个因素中的高副是理论的点或线接触(如果我们忽视了挠度)。

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This 3-foot-long croc was a plant - and grub-eater with a pair of buckteeth in the lower jaw it used to dig for food.

这种3英尺长的鳄鱼以植物和幼虫为食，它下颚上长着一对龅牙用来挖掘食物。

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If an impure object--and you will see here these overlapping pairs, if you can imagine the lower pair sort of being plunked down on top of this pair, that will give you an idea of what we're trying to convey with this image.

如果一个不纯洁的东西--看这里，这些重叠的单词，假设这两个单词,突然跑到这两个的上面，这样你就会对我们这个图示想传达的内容有个概念。

耶鲁公开课 - 旧约导论课程节选

An IPO is the holy grail for many start-ups, but the odds of success are 22% lower if a co-investing pair are alumni of the same university, and 18% lower if they share a past employer.

ECONOMIST: Choosing co-investors

Hybrids need to be equipped with larger battery packs, smaller and more fuel-efficient engines and a "two-mode system" that uses a pair of electric motors that propel the car at lower speeds.

FORBES: Cleaner Cars

They also redid the lower level of the home to include a billiard room, au pair suite and media room.

WSJ: Private Properties��WSJ Mansion