结论P CL材料具有良好的生物相容性、缓慢降解和骨引导能力，可修复骨缺损。

Conclusion PCL possesses good biocompatibility and high bone inductive potentiality, it can be used to repair bone defect.

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聚乳酸及其共聚物是具有优良的生物相容性和可生物降解的高分子材料，无毒， 可吸收。

Polylactide and its copolymers are polymer materials that can be degraded by organisms and have good biocompatibility.

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其最大的优势在于它是可再生的、可生物降解的、生物相容性的和可衍生化的。

However, the application of the natural cellulose is far less than that of the synthesized cellulose .

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