使患溃疡

Marston, MD, from the University of North Carolina School of Medicine in Chapel Hill, and colleagues."Dermagraft is a bioengineered dermal substitute that laboratory data suggest has two principal modes of action. It provides living, human dermal fibroblasts that deposit matrix proteins and facilitate angiogenesis. It also provides a preformed collagen matrix, receptors, and bound growth factors that facilitate the migration of the patients' epithelial cells that close the wound."

Marston医师及同事表示，针对治疗慢性溃疡的生理失能的患者，还需要更多有效的疗法，而人工皮肤就是一种生物工程皮肤代用品，这一项实验室数据显示两种最重要的功能模式，它提供活体人类皮肤纤维组织母细胞，储存母体蛋白质并促进血管新生，另外它也提供预先形成的胶原母体、接受器及束缚成长因子，帮助病患的上皮细胞移动，使伤口愈合。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。