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A polymer is a substance of high molecular weight, well above the size of the compounds considered so far.

聚合物是一种高分子的物质，其大小远远超出迄今所提到的各种化合物。

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Polyacrylate sodium with high molecular weight is widely used as one kind of important anionic flocculation in industry.

高分子量聚丙烯酸钠是一种重要的阴离子型絮凝剂，在工业上有着广泛的应用。

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The base layer of modern skis is made from a substance called ultra-high-molecular-weight polyethylene.

ECONOMIST: Skiing: Not waxing lyrical | The

Current detection tools using nanotechnology allow high-speed molecular detection of pathogens through analysis of their DNA in a matter of a few minutes where classical detection tools using regular PCR (polymerase chain reaction) would take over six hours.

FORBES: Nanotech Takes On Homeland Terror

It was Mr Bertarelli's father, Fabio, who saw the future in high-tech production, and pushed the firm towards molecular biology.

ECONOMIST: Smooth sailing, so far