一种抛石

So a new type quarter-circularbreakwater is brought forward.As the same weight as semi-circular breakwater,quarter-circular breakwater bottom length is reduced to decrease jackstone.

为此，提出一种圆弧面(1/4圆)防波堤的新堤型，在与半圆型防波堤断面自重相近时，尽可能减窄底宽，从而减少大量抛石基床的数量。

The pile bridge riprap groin is engineering measures for diversion protection, consisting of precast concrete piles, lead wire cage rubble and firewood raft with deep foundation, strong capability of resisting impact, stability of structure, convenient construction, investment saving and so on, making up the easily breaking defects of the traditional ones.

桩式抛石丁坝是一种导流护岸工程措施，由预制混凝土桩，铅丝笼块石及柴排构成，它具有基础深，抗冲能力强，结构稳定，施工方便，节省投资等优点，弥补了传统铅丝笼抛石坝易折断毁的缺陷。

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。