忽冷忽热地

He had held himself aloof from society; had sat for hours without speaking; had talked at other times by fits and starts; and had excited himself unusually in the discussion of subjects which apparently lay far out of the region of his own life and interests.

他回避社交活动；他默默无言地坐上好几个钟点；他在别的时候又忽冷忽热地谈话；在讨论到显然和他的生活、他的利益毫不相关的问题时，却又会异乎寻常地激动起来。

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。