So the repeating unit in DNA is this structure here, a nucleotide, which has three different regions.

NA的重复单位就是,核苷酸,它有三个不同的区域

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Tuesday's explosion at the No. 2 reactor in the Fukushima complex, 150 miles north of Tokyo, for the first time raised the possibility that the key containment structure of the unit, which protects the reactor vessel and keeps dangerous radioactive materials from leaking out, had been damaged.

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The structure of the unit is fortified thoroughly to prevent distortion and vibration, so music is reproduced with natural highs and thunderous lows.

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The judge said the fact that Hutchison's Cayman Islands unit was in place for several years before the deal suggested that the deal structure wasn't created with the purpose of sidestepping taxes.

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