轻负载的

Shape carabiners are stronger and lighter than ovals, given the same materials. The asymmetrical design ensures that loads are held off-center, toward the stronger, non-gated side.

型钩环的强度最强且比同材料的O形钩环轻，不对称的设计使负载物不会在中心，而移到开口的另一侧强度最强的地方。

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。