平截头体

A wedge of pie.a frustum formed from a cone.

用圆锥体做的平截头体。

To convert or make into a pollard.

用圆锥体做的平截头体。

First the subject discussed on the prerequisite of the Auto end-lock's structure, the changing mode and the agglutinate angles of Auto end-lock carton, then it analyzed five types of Auto end-lock carton's structure: rectangular parallelepiped, vertical rectangle-terrace, prismoid, non-conventional prism and non-conventional type.

此外， 项目还讨论自锁底折叠盒的盒形情况，变化方法，粘合角度和粘合余角，分析研究五种类型的自锁底折叠盒的结构，他们是矩形平行六面体、梯形、平截头棱椎体、不规则类型。

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。