查询词典 surfaces

If steam touches cold surfaces , it condenses into water .

如果蒸汽接触冷的表面，它就会凝结成水。

In Chapter 1,some elementary knowledge was introduced,such as theBernstein-Bezier representation for polynomials,conform triangulation,theconditions of convexity for Bézier spline surfaces,the funtional andgeometric continuity condition for neibour Bézier surface patches etc.,specially,based on the Liu-Ding-Yuan Theorem for geometric continuity,some simple and practical conditions were obtained.

第一章介绍一些基本知识，如多项式的Bernstein-Bézier表示，相容三角剖分的定义，Bézier三角样条曲面保凸的条件，相邻Bézier曲面片函数连续和几何连续的条件等，特别地，在刘鼎元关于几何连续条件的一般定理的基础上，导出了几个较简单的实用的一阶几何连续条件。

In chapter 3, we systematically explore the conformational potential energy surfaces of aspartic acid in gas phase and calculate the concerned properties including geometry structure, IR spectra, conformer distributions, ionization energies and electron affinities.

在第三章中我们对天冬氨酸气相中的构型势能面进行了系统的探测，并研究了其相关性质，如几何结构、红外光谱、构型分布、电离能和电子亲合能。

It is shown that reflection spectra is changed due to conglomeration of dyes on a lot of intemal surfaces.

结果表明，共混纤维内部存在大量的相界面，分散染料部分缔合在这些界面上，从而引起反射光谱的变化。

In this paper four non-spherical surface types have been chose, ellipsoid surface, parabolic surface, pointed arch surface and conical surface. Base on the best fineness ratio, four surfaces are modeled, and their properties are analyzed in detail.

本文选择椭球面、抛物面、尖拱面、圆锥面这四种非球面面型整流罩，在基于整流罩最优的长径比的基础下，对各种情况分别进行建模，并对其光学性能进行了详细分析。

The white of the eye and the inner surfaces of the lids are covered by a transparent membrane called the conjunctiva.

白皮书的眼睛和内表面的盖子是所涵盖的一个透明的膜称为结膜。

It was shown that the dimensionless entropy generation number depended exclusively on Reynolds number and wall-to-inlet temperature difference for a given duct or tube, and the method might help to identify inappropriate enhanced tubes or extended surfaces and assist engineers to design better heat transfer equipment with the criteria assessing the merits of augmentation techniques in connection with energy conservation and exergy destruction according to entropy generation analysis.

结果表明：对于给定的管道，量纲1熵产数只与流动Reynolds数和进口与壁面的温度差有关。利用该分析方法不仅可通过参数分析获得几种强化方式的能量综合利用效果，还可确定合理的流动工况参数、结构参数和合理的强化形式。

The experimental results demonstrate that the prototype system based on this algorithm can conveniently and intuitively construct complex free form surfaces.

实验结果表明，基于该算法的原型系统能够方便、直观地构造复杂的自由曲面。

It is essential that cleaned surfaces are not contaminated again.

非常重要的是清洁好的表面不要被再次污染。

To obtain the parts surfaces' constant scallop height after machining, a new toolpath generation algorithm named as curved surface mapping approach for 3D equidistant path-interval and conto.

曲面映射法是依据加工后零件表面材料余量呈现"等残留高度"的要求，设计的一种生成空间等距环切加工刀具轨迹的新方法。

A historical region of southwest France between the Pyrenees and the Garonne River. The duchy of Aquitaine was joined with France after the marriage of Eleanor of Aquitaine to King Louis VII in1137, but its possession was disputed after her subsequent marriage to Henry II of England.

阿基坦法国西南部一个历史地区，位于比利牛斯山和加隆河之间，在1137年阿基坦的埃莉诺与国王路易斯七世结婚之后阿基坦公国加入法国，但当她再嫁英国亨利二世后，其归属权便受到争议

There are moments when I look at the smiling , happy faces of my expectant staff and wonder how they will cope when confronted by an outraged housemaster along with an unrepentant and recalcitrant bleached blond teenager in 18 years ' time .

有时候，我看着那些满怀期待的员工微笑，幸福的脸，想着当他们遇到一位愤怒的宿舍管理员和一位不知悔改，叛逆，而且将头发染成白色的18岁少年时，他们会如何处理。