阻击叫牌

When responder raises a preempt below game, whether competitively or not, and an opponent overcalls, opener may not bid and there is no special agreement over whether he may double.

当应叫者对阻击开叫加叫但未成局时，不管是否为竞叫场合，若敌方再叫牌，开叫者可能不叫牌，但是否可能加倍则没有约定。

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。