冷脆性

The results show that the reason of pockmarks is significantly related to nonmetallic inclusions of Si,Al and Ca.

结果表明，其产生的原因与Si、Al、Ca形成的脆性夹杂物有关，在金属塑性变形及冷、热加工过程中，由于受到拉应力作用，脆性夹杂物碎裂后脱落而造成。

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。