动脉骨化

Pregnant 50 day onward, FOXC2 mainly expressed in dorsal aorta, arch arteries, archae-endocardium and cells of vertebrae rudiment. The expression of FOXC2 could be seen in cordis great vessels, endocardium, chondrocyte and periost of axial skeleton during pregnant 70 days, and only in primary ossification center of axial skeleton and coronary artery during pregnant 80 day.

孕50天后表达于背主动脉、弓形动脉和原始心脏内膜、锥体雏形细胞；孕70天时，在心脏大血管、心内膜和中轴骨骼的软骨细胞和骨膜细胞表达；孕80天时仅表达于中轴骨骼的骨化中心和冠状动脉。

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。