When the skin suffers to the serious burns, wound, infection and diabetes unprogressive skin ulcerates etc, it become hard problem to repair and rebuild the big area skin defect.

当皮肤遭受严重烧伤、创伤、感染及糖尿病顽固性皮肤溃疡等损害时，大面积皮肤缺损的修复成为棘手的难题。

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It's easy for the beasts to overheat: they may face temperatures of up to 120 degrees Fahrenheit, and they don't have much skin surface area to radiate the heat relative to their big body volume.

野生动物总是很容易就身体过热：它们的体温可能超过120华氏摄氏度，而且能够辐射热量的皮肤表面积也不多。

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Objective: To explore the method of repairing big area lack of skin and parenchyma of extremities.

目的：探索四肢大面积皮肤软组织缺损的修复方法。

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