人们生产成千上万的人工合成材料。
Hundreds of thousands of synthetic materials are being made.
综述后交叉韧带损伤后重建材料的选择，探讨人工合成材料的应用前景。
Summarize the selections of the artificial material about the rebuilding of the posterior cruciate ligament and explore the outlook.
研究人员将抗凝血酶III上的肝素结合肽段黏附在称为聚乙二醇的人工合成材料上。
The researchers attached heparin-binding peptides from antithrombin III to a synthetic material called polyethylene glycol.
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