The double-helical DNA is a very important intermediate in storing and transferring genetic informations.

DNA双螺旋链是储存和传递遗传信息的重要载体。

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The Flowserve GR series, double-helical, herringbone type gear pumps have long been a workhorse of the general industry.

长期以来，福斯gr系列人字齿型齿轮泵已成为一般工业的得力助手。

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Synthesis of Intramolecular Double-helical Compound Connecting Chiral 2,2'-Substituted 1,1'-Binaphthyl with meta-Pyridine Bridges.

光学活性的2，2'-二取代1，1'-联萘和间吡啶桥构筑的分子内双螺旋化合物的合成。

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Dr Watson, co-discoverer with Francis Crick of the double-helical structure of DNA, was responsible for suggesting the human-genome project in the first place.

ECONOMIST: The big beasts of genomics