绿色啄木鸟

This year's autumn, the original green trees have become bare, and a great flood came, and floods indiscriminately smashed houses, washed away with people, that loggers come to the moment the flood suddenly thought: If I listening to woodpeckers, then there will not be such an outcome, hey ......

这一年的秋天，原本绿色的树林变得光秃秃的了，一场极大的洪水来了，洪水肆意地冲破了房屋，冲走了人，那个伐木工人在洪水来的一刻突然想到：如果我听啄木鸟的话，也不会有这样的结局，哎

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。