之后人类选择具有独特基因的动物或植物个体进行配对，使它们那些为人所需的特性变得更为普遍和显著。

Humans then chose to mate individual animals or plants that carried the particular gene in order to make the desired characteristics more common or more pronounced.

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主厨尼罗河做卡尔穆已经熟练地掌握了与经典的秘鲁灵感配对国际风味的艺术，使每个饭多汁备卓越的烹饪。

Head chef Nile Do Carmo has expertly mastered the art of pairing international flavors with classic Peruvian inspirations, making each meal a succulent preparation of culinary excellence.

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在化学键形成时并不是电子配对的结果，而是电子从能量较高的原子轨道转移到能量较低的成键的分子轨道上使体系能量降低的结果。

It is not result of spin pairing to form chemical bonds, Instead, transfer electron from the atomic orbital of taller energy to the moleen -lar orbital of lower energy.

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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

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