The structure unit of lignin is guaiacol.

木质素的结构单元是愈创木基。

youdao

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 way it might work is that the typical replicator will have patterns stored for common things, but the owners of something really special like Bass Ale will figure out a way to encrypt the structure so that they can charge you on a per unit basis.

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