Scottish oil-and-gas company Brinker Technology has a no-dig system of pipe repair that mimics the way clots form at a cut.

苏格兰石油天然气公司布林克技术公司有一套不用开挖地面的管道修复系统，这套系统模仿了血液在伤口处凝结的模式。

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Sales of the drug-coated stents have been falling since last spring because studies showed that potentially deadly clots form in a small percentage of patients long after they are implanted.

药物涂层支架的销售自上一个春天以来就开始下降了，因为研究发现一小部分病人在植入这类支架后会有可能致命的血栓形成。

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A tendency to form blood clots, he added, can be something we're born with.

据他所说，形成血凝块的倾向也许是我们天生俱有的。

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Scientists say aspirin prevents blood cells called platelets from sticking together to form clots.

VOA: special.2009.10.20

Clots can form in the pouch and travel to the brain, causing a stroke.

NPR: Heart Repair Breakthroughs Replace Surgeon's Knife

But they also regulate the aggregation of platelets scraps of cells in the bloodstream that help to form clots.

ECONOMIST: An aspirin a day keeps the doctor at bay