交替群落

This biome usually has warm temperatures year-round and alternating dry and wet seasons (Figure 5-12, top graph).

这种生物群落通常有温暖的气候全年和交替旱季和雨季（图5-12 ，图的顶端）。

Streptomyces and Bacillus are always existed in different seasons which are likely to the aboriginal population in soil bacteria community.

链霉菌和芽孢杆菌在季节交替过程中一直存在，可能是构成土壤细菌群落的原始种群。

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。