棘胫小蠹

Type genus of the Scolytidae comprising numerous small bark beetles.

由许多棘胫小蠹构成的棘胫小蠹科的模式属。

Any of various small , cylindrical beetles of the family Scolytidae that burrrow along the surface wood directly beneath the bark of trees , causing extensive damage .

棘胫小蠹：棘胫小蠹科的一种圆柱形小甲虫，直接沿着树皮下的树木表层打洞，引起大面积损伤

Yet scolytids do not normally attack healthy trees.

事实上，棘胫小蠹是不危害健康树的。

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。