用涂料沾污的

Based on exploration of stain mechanism of exterior coatings, resear ch on effects of screening, comparison, testing and verifying of contaminators a nd contaminating manners in tests on stain resistance, mixed ash with good dupli city was selected as new contaminator, content of mixed ash applied , applying b rush and calculating equation for tests were demonstrated.

通过对建筑外墙涂料沾污机理的探讨，对涂层耐沾污性能试验中污染源的筛选、比较、验证试验和污染源涂布方式等因素对耐沾污性影响的研究，确定了重复性较好的新污染源——配制灰替代粉煤灰，并对配制灰的涂布量、涂布用刷、试验计算公式作了试验论证。

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。