Form a double thickness of heavy-duty foil (about 14 in. square); cut three slits in foil.

做一个双层金属箔（大约14英寸见方），在上面划三道口。

youdao

RNA molecules form double stranded helices, just as do DNA molecules, by Watson Crick pairing of nucleotides on the two complementary strands of the helix.

RNA分子能像DNA分子那样形成双链螺旋，通过沃森·克里克配对，两个螺旋的核苷链互补。

youdao

You get the same EnterRoomInformation form again, because a double room is not available for booking in the sample data.

您再一次得到相同的EnterRoomInformation表单，因为在样例数据中没有双人间可以预订。

youdao

Those are two continuous strands that wind around each other to form the double helix.

这两股主链,相互缠绕形成双螺旋

耶鲁公开课 - 生物医学工程探索课程节选

They would naturally hybridize and form a duplex, or a double stranded nucleic acid.

它们会自然杂交并形成双螺旋,或者说双链核酸

耶鲁公开课 - 生物医学工程探索课程节选

This is - what this diagram shows you is-- the forces that hold these individual strands of DNA into a double stranded form.

你们可以看看这个图表,演示了连接两条DNA长链为双螺旋,结构的化学力

耶鲁公开课 - 生物医学工程探索课程节选

It takes the double form of a conflict between religions and a conflict between nationalisms.

ECONOMIST: Hope in a hate-infected city

Many times new issues will run higher in the first few days after the IPO to only pullback a couple of times to form a double bottom.

FORBES: Watching AONE For A Bottom

Chart Analysis : The Market Vectors Semiconductor ETF ( SMH) appeared to form a double bottom in July (line a), which set up a good short-term trade.

FORBES: Chip Makers Not Seasoned Yet