查询词典 concave polygon

However, non-uniform settlement of wharf platform may occur due to large upper load and soil creep deformation, and bulkhead line may be concave or convex which will affect wharfs usage and beauty and cause the horizontal displacement of sheet-pile wall.

但是，在上部荷载较大且土体蠕变等因素下，码头作业平台往往会出现不均匀沉降，码头前沿线可能出现凹凸变形，从而影响码头的使用和美观，同时板桩墙不可避免会出现水平位移。

In Olympia (the host city of the ancient Olympic Games), the Flame which was also lit from the sun's rays with the help of a concave mirror, is burning silently in the city public auditorium and kindled the rest of Sacred Flame in other Sacred Sites.

在古代奥林匹克运动会举办地–奥林匹亚，圣火一直在赫斯提女神祭坛前的城市公共会堂中静静地燃烧。这里的圣火同样是通过使用凹面镜汇聚阳光采集而成，它还被作为火种去点燃其他神圣场所的圣火。

The results show that flame temperature and carbon granules concentration at concave positions of pistons are quite high, but in convex positions of the pistons they have a large circulated variation.

西安交通大学汽车工程系陕西西安710049；西安交通大学汽车工程系陕西西安710049陈硕

Using it, the model of the plate with welding spot structure and the model of floor with convex-concave slots are corrected with satisfying effects.

并使用该法完成了点焊结构界面参数和具有凹凸槽结构的地板模型修正，取得了令人满意的效果。

His paintings have constructed free, undulating convex-concave forms, but what impacts on the vision is their questioning of meaning.

画面虽然构筑了自由、凸凹起伏的形状，但冲击于视觉的却是它们的意义设问。

Somewhat similar to the surface of convex-concave pillow, of course, played a massage head of the acupuncture points, reviving the role of blood circulation.

有点类似凹凸枕的表面，也自然的起到了按摩头部穴道，活络血液循环的作用。

Education Co., Ltd. Shenzhen happy to use modern science and technology aimed at the promotion of the "faster, better and cheaper" way to write Chinese characters, is to promote the application of convex-concave text series of professional firms.

深圳快乐教育有限公司旨在运用现代科学技术推广这一&快、好、省&的汉字写字方法，是推广凹凸文应用系列的专业公司。

Then, using the interval arithmetic tool, construction methods of several quasi convex-concave extension are presented for general functions which are provided with arithmetic expression.

其次，对由算术表达式给定的一般函数，利用区间算术工具给出了几种拟凸-凹扩张的构造方法。

The paper detined the loop, union, intersection, trim and convex-concave point and then presents the algorithm, which is simple and suits for any closed regions.

首先给出了环、并、交、差、凹凸点的定义；然后描述了算法。该算法的特点是思路简捷，并适合于任意封闭区域。

Firstly, a new quasi convex-concave extension definition is introduced to study general constrained optimization problem, which is much approximate function's shape than the interval extension.

首先，对一般约束优化问题，引入一新的概念，即拟凸-凹扩张，它比区间扩张能更好地逼近函数的形状。

According to our present broadcasting situation,the thesis proposes using new technology to update and reform the present HFC. It also suggests broadcasting using self-advantage and arranging EPON in order to win the supermarket.

论文从我国广电的现状出发，结合实际，积极倡导采用新技术更新、改造我国现有的HFC网络；倡导广电现阶段利用自身优势，部署EPON网络来赢取市场。

A new general kinetic equation was derived in which the effect of the removal of condensation water was taken into account completely, and was applied to the polyesterification kinetic study of AA/HPHP and AA/NPG. It was found that the reaction order of self-catalyzed polyesterification was not constant. For these polyesterifications, the reaction order was 2.5 at a low temperature, while 3.0 at a high temperature.

考虑缩合水的排除对反应体系的影响，用体积浓度单位推导出一个新的聚酯反应总包动力学方程，并应用到AA/HPHP和AA/NPG两个聚酯化反应的动力学研究中，研究发现，自催化聚酯反应的反应级数并不是固定值，对于AA/HPHP和AA/NPG两个聚酯化反应而言，低温时反应级数为2.5，高温时反应级数为3.0。