四边形的

Hence the largest white diamond (2.04-carats) in the collection is set alone in the centre of a Class Ring and the majority are trapezoid-cut chips set in subtle regimental stripes across a square white gold cuff link, tie bar or ring.

因此，该系列中最大的一颗白钻石（2.04克拉）被独自镶嵌在一枚戒指上，多数都被切割成不等边四边形，镶嵌在精美的方形人造白金袖扣、领带夹或者戒指上面。

Determine the interior and exterior angles of triangles, quadrilaterals and other polygons.

确定的三角形，四边形和其他多边形的内部和外部角度。

With i being the greatest lower bound on the number of latter points in the interior of any TLP with exactly v vertices, i(5)=i(6)=1,i(7)=i(8)=4 , it is proved that i increases without bound as ...

证明了随着TLP顶点数的增加，内格点数无限增加。并得出在允许旋转 180°条件下，有任意内格点数的三角形TLP，任意格点四边形都是TLP。

A convenient and applied geometric transformation function, which is suit for interface of quadrangle or hexahedron, is proposed.

提出方便实用的、适合于内外域交界面为四边形或六面体情况的几何变换函数。

In order to generate spherical equal-area grid,this paper finds the corresponding relationships between unfolded icosahedron and sphere using Snyder equal-area projection.

文中利用Snyder等积多面体投影建立了平面与球面的对应关系，设计了球面等积三角形和四边形离散网格的生成算法。

These three types of rib rings with intercostal muscles were used to replace a segment of trachea in thorax.

将犬的第 3肋骨修整卷曲成三角形、四边形和多边形，用附着不同形状肋骨的骨肌瓣环替代胸内部分气管。

Behind him to the west, Langdon knew the ancient obelisk of Ramses rose above the trees, marking the Musée du Jeu de Paume.

轿车沿着一个环形池塘在奔驰，穿过了一条废弃的大道驶进远处的一块四边形场地。

We mainly give a simple brief introduction to Morse theory and Morse function, and introduce a two-dimensional manifolds on the Morse-Smale complex.

在此基础上，提出了一种对二维流形上的Morse-Smale复形顶点进行优化从而达到优化四边形形状的算法。

The main results gained in this dissertation are as follows:1. The vector theory which originates from parallelogram rule of velocity and force is inspected in detail.

主要研究成果如下：一、较深入地考察了起源于力和速度的平行四边形法则的向量理论。

The method of building triangular grid model of 3D object surface with plane Delaney triangle is introduced.

三维激光扫描数据般是具有四边形网格结构的影像数据，当多幅扫影像数据合并成整幅影像后重新建立模型时，通也需要建立整幅影像的三角形格网来生成等值。

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。