Usually the design is symmetrical, in the form of combinations of polygons or quatrefoils.

They are polygons, specified by the coordinates of a centre of mass and their vertices.

它们均由多边形表示, 并给定其重心和各顶点的坐标.

An optimal algorithm for finding the internal common tangent of two simple planar polygons is proposed.

提出了一种确定两简单平面多边形内公切线的最优算法.

Defines polygons and identifies the classes needed to draw them.

定义多边形并确定绘制这些形状所需的类.

You might have noticed that every child has less polygons then it's parent.

你可以注意到每个‘子’都比他的 ‘ 亲’有更少的多边形.

Establishment and Optimization of ISSR-PCR Reaction System for Polygonum Thunb.

何首乌;简单重复序列区间扩增多太性;反应体系;建立与优化.

Results Established movements lifes table of wild Polygonum aviculare population.

结果编制出扁蓄野生种群的动态生命表.

Objective To supply reference for stipulating rules for quality control of Polygonum multiflorum Thunb.

目的为提高制首乌的质量标准提供参考依据.

The researches on chemical constitunents and pharmacological activities of polygonum plants began at 1980 s.

等.蓼属植物化学成分及药理活性研究始于80年代初.

Objective To analyze the constituents in the extracts from the seeds of Polygonum hydropiper L.

目的分析蓼实中提取物的成分.

Naokang capsule is a pure traditional Chinese medicine, which consists Radix Puerariae, Polygonum multiflorum Thunb.

脑康胶囊是由葛根、何首乌 、 丹参、川芎等七味中药制成的复方制剂,具有补益肝肾,填精补髓, 活血通脉的功效.

We had investigate the chemical constituents Polygonum viviparum L.

本文探讨了珠芽蓼全草的化学成分.

This includes honesty, psychological, and personality tests, genetic screening, substance abuse tests and polygraph examinations.

这些测试包括诚实度 、 心理 、 人格测试, 基因测定 、 毒品以及多波动检查.

PG multi-channel polygraph is composed of unit, sensor, WINDOWS software platform and printer.

PG型多道心理测试仪由主机 、 传感器 、 Windows工作平台软件及打印机组成.

Men live in polygyny, while women in polyandry.

男子过着多妻制的生活，而妇女则过着多夫制的生活。

But to allow polygyny but not polyandry would be to discriminate against women.

但是如果允许一夫多妻制却禁止一妻多夫制,那么可能就会是对妇女的一种歧视.

It was polygyny that accounts for human females'general longevity over males.

正是一夫多妻制使得女性比男性更加长寿.

A practical staining method for counting polyhedra ( PIBs ) in nucleopolyhedrovirus insecticide was developed.

本文介绍了一种直接检测病毒杀虫剂产品中 多角体 数量的染色计数方法.

The algorithm is suited for polyhedra on flat water surfaces.

该算法适合于平面多面体水面.

Polyhedra with seven vertices are rare.

具有七个顶点的多面体是稀少的.

There are few Frank-Kasper and Bernal polyhedra in the alloy.

FK多面体与Bernal多面体数目始终很少.