表面曲率,Surface curvature
1)Surface curvature表面曲率
英文短句/例句

1.an instrument for measuring the curvature of a surface.测量表面曲率的仪器。
2.Simple Explanation of Relation between Superficial Charge Dist ribution and Superficial Curved Rate;浅谈导体表面电荷分布与表面曲率的关系
3.THE EFFECTS OF SURFACE CORVATURE ON LAMINAR BOUNDARY-LAYER FLOW表面曲率对边界层的影响与边界层外缘附近的连结问题
4.Weierstrass Representation for Surfaces of Prescribed Mean Curvature in the 3-Dimensional Heisenberg Group;三维Heisenberg群中给定平均曲率曲面的Weierstrass表示
5.Numerical Investigation of Influence of Rotation of Film on Cooling Effectiveness over Rotating Curved Surfaces旋转对曲率表面气膜冷却效率影响的数值研究
6.A study of anterior corneal asphericity Q for tangential curvature运用正切曲率半径分析角膜前表面的Q值规律
7.The Completely Equal Curvature of Tubular Surface on Viviani s Curve;Viviani曲线上管状曲面的全平均曲率
8.The Complete Hypersurface with Constant Mean Curvature in the Quasi Constant Curvature Space拟常曲率空间中具有常平均曲率的完备超曲面
9.Hypersurfaces with Constant Mean Curvature in a Riemann Manifold with Constant Curvature and with Quasi Constant Curvature;常曲率和拟常曲率Riemann流形中的常平均曲率超曲面
10.area under normal probability curve正态概率曲线下的面积
11.The flexural vibration of a circular ring that is of axis symmetry is analyzed and calculated, the solid frequency expression of the flexural vibration is obtained.对一类轴对称圆环的面内弯曲振动进行了分析计算,给出了圆环面内弯曲振动固有频率表达式。
12.Having greater curvature on the concave side than on the convex side.Used of a lens.凹凸的凹面曲率大于凸面曲率的。用于指透镜
13.A caustic curve or surface.焦散曲面,焦散表面
14.To calculate the actual curvature of the surface at a given point, the two vectors must be multiplied by each other.去计算在一个表面上给定点的实际曲率,两个向量必须互相乘。
15.Drawing Curves onto Point Clouds Based on Spatial Grid and Directed by Curvature Map基于空间栅格支撑与曲率云图引导的点云表面构线
16.Surface crack identification of continuous beam using wavelet analysis of curvature mode带表面裂纹连续梁损伤识别的曲率模态小波分析
17.Minimal Hypersurfaces with Vanishing Gauss-Kronecker Curvature in R~4;R~4中Gauss-Kronecker曲率为零的极小超曲面
18.A Type of Weingarten Surfaces with Prescribed Principal Curvatures;一类具有给定主曲率函数的Weingarten曲面
相关短句/例句

pos-terior corneal surface curvature角膜后表面曲率
3)surface curvature distribution表面曲率分布
4)human body surface curvature人体表面曲率
5)grain curvature颗粒表面曲率
6)optical surface curvature光学表面曲率
延伸阅读

Gauss曲率Gauss曲率Gausaan curvature 是曲面的第二基本形式(别x幻nd仙劝雀比正”tal form),则Gau邓曲率能用公式 乙N一MZ K=共共一二鉴广 EG一F名来计算.Cau骆曲率恒等于球面映射(sPh汀i。习n.p)的J出刀bi行列式: S {K{尸。一J淤。于,这里P0是曲面上一点,s是包含P0的区域U的面积,S是U的球面象的面积,d是区域的直径.〔抽以弥曲率在椭画点(elliPtic Point)处是正的,在双曲点(hyPer加lic point)处是负的,在抛物点(para加licpoint)或平坦点(血t point)处为零,它可仅用第一基本形式的系数及其导数来表示(C明‘定理(CaJ骆th印rer。)),即 !EE云l {11}己F_一G K二,鑫夕}。。刀}十二节二‘飞二电-二石;一J‘+ 八一百丽矿}户’户。户。{’Zw!日。W }G民仅1 占F一E_〕 +—~-之址-一-一一二). 日v WJ’这里 WZ二EG一F2. 因为Ga璐曲率仅依赖于度量,即仅依赖于第一基本形式的系数,所以Gauss曲率在等距形变(士自m曰t幻n,ison犯山c)下是不变的.Ga口弱曲率在曲面论中起了特殊的作用,有许多关于它的计算公式(【21). 此概念由C.F.CaJ粥({11)引人,因而得名,【补注]全〔治毯骆曲率(to回Gauss枷curvat侧旧)(常简记为全曲率(to回cur呢lture))是指量 丁丁Kdo.(亦见Ga旧一D刀留峨定理(Ga理洛~B幻nnet小印n万n).) 对由x=x(s)所给出的光滑空间曲线C,C的总曲率K定义为C的球面象的长度(亦见球面标形(sPheri以1 indi口trix)),且能用沿C的关于Fr加以标架(见E滋.时三棱形(Fr乙nettri比过ron))(x,e.,e2,e3)的F滋.时公式(Fr‘netfomllllas)e,=‘,eZ,e;=一‘、e、+凡2e3,e3=一‘Ze:表示为 K一丁、lds.沈纯理译Ca.沼曲率【C.旧幽mo口,.to比;raycco皿Ic钾皿3.a〕,曲面的 正则曲面在一给定点的主曲率(prilldPal。印口.tl此)的乘积,若 I=dsZ=EduZ+2 Fdudy+GdvZ是曲面的第一基本形式(际tft田d旧lrntal forTn)及 11=侧“2+ZMdudy+Nd砂2