厚纸板做的

Several years ago , in the east unit states eastern United States , people were objecting to the order odor of potry poultry farms on the Delmarva Peninsula .

你可以用纸箱子或是厚纸板来做太阳能灶，它们不会起火。纸的燃点是232摄氏度，太阳能炉具永远不会达到这个温度。

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。