四边形的

First a quad with the center at the bottom origin is presented.

首先是一个中心点在底部的四边形四个顶点的计算公式。

First, because Chinese people are very love quadrangle, and its courtyard of a three-dimensional planning in line with the Chinese people's living.

第一，因为人民是非常热爱四边形，它的庭院立体规划符合中国人民的生活。

A new approach of construction of 3D objects with rotation of 2D convex quadrangle is presented.

提出了一种能用凸四边形表示并可作平面展开的三维实体造型的设计方法。

Some of these people have not lived courtyard, we do not know how to protect the courtyard of this old building, nor on a love quadrangle complex.

其中有些人还没有住的庭院，我们不知道如何保护四合院的旧建筑，也没有一个爱四边形复杂。

Coordinates of the 4 corresponding quadrangle vertices in the destination image.

输出图像的相应的四边形顶点坐标。

The selection of pattern formation in quadrangular boundary with different area is studied.

在四边形边界条件下，研究了放电面积的大小对斑图模式选择的影响。

An optimization disposal algorithm of edges in generating quadrangular meshes based on non-closing cloud data is proposed.

提出了一种非封闭曲面的海量空间数据点四边形网格划分过程中的边界优化处理算法。

Most of the synthesized Al〓O〓 grains were seized of quadrangular morphology and size of 3-30μm, a few were whiskers.

合成的Al〓O〓为具有熔化和结晶特征、尺寸3-30μm的四边形块状晶粒，少量为晶须。

First, generating a regular quadrangular mesh by means of DEM data. Then finding out the regions that railway beds locate in and cuting the regions into grids.

该方法首先利用DEM数据生成一个规则的四边形网格，找出路基所在的区域，将该区域离散到格中。

To reduce the face number of reconstruction meshes, a new method for quadrilateral mesh reconstruction is proposed.

2提出了基于多分辨率的四边形网格重建算法，为解决重建网格面片数量过多的问题提供了新方法。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。