圆柱的

In order to model complex hair styles, such as curly hairs and wavy hairs, we first construct five types of surfaces and three curves: curved cylinder, curved circular frustum, curved prism, curved edged frustum, curved revolving paraboloid, and curved cylinder helix, curved circular frustum helix and curved revolving paraboloid helix. Then we give the expressions for points and normal vectors on these surfaces, suitable to composition.

为了构造复杂发型，例如卷发发型和波浪发型，我们首先构造了五种曲面和三种曲线：弯曲圆柱面、弯曲圆台面、弯曲棱柱面、弯曲棱台面和弯曲旋转抛物面，以及弯曲圆柱螺线、弯曲圆台螺线和弯曲旋转抛物螺线，并且给出了这些曲线曲面上适合于拼接的点和向量的表示方式。

Finally, the general model of the ultra—high accuracy measurement about circular and cylindrical profiles parameters is set up.

本文通过对国内外圆和圆柱工件形状测量的研究现状和发展趋势进行了系统分析之后，围绕圆和圆柱轮廓的超精测量技术和特征分析理论做了如下工作。

A method of the three-coordinate machine to the measurement of direct error happened to the cylindrical indexing cam contour surface is proposed in the paper.

介绍了用三坐标机测量圆柱分度凸轮廓面法向误差的方法，在此基础上分析了廓面误差对圆柱分度凸轮机构分度误差的影响。

For the long composite cylindrical panels, including the influences of the transverse shear deformation, rotatory inertia and initial geometric imperfections, the nonlinear dynamic equations of the long composite cylindrical panels were derived from Hamilton's philosophy. The nonlinear partial differential equations were transformed to ordinary differential equations by expansion in series and solved numerically by fourthorder Runge-Kutta method.

针对含初始几何缺陷的复合材料圆柱曲板，考虑横向剪切变形、转动惯量、初始几何缺陷以及非扁壳等诸多因素，利用Hamilton原理导出复合材料长圆柱曲板的非线性动力方程；用级数展开把非线性偏微分方程组转化为二阶常微分方程组，并由四阶Runge-Kutta方法数值求解。

The line,at which the tooth intersects the graduated cylinder,is an arc in the developed surface of the cylinder.The tooth profile in the middle section of tooth width is an involute.

它的特点是：轮齿与其分度圆柱面的交线在分度圆柱面所展开的矩形中为圆弧；而且在齿宽中央截面内为渐开线齿形。

The mathematical model can work out the minimum zone solution of the cylindricity error with arbitrary position in space, and there are no special requirements in choosing measurement points.

所建立的目标函数基于圆柱度误差最小区域定义，可以评定空间任意位置圆柱度误差的最小区域解，对测点无特殊要求。

Secondly two different clutter suppression methods are proposed according to the clutter characteristic of airborne radar with cylindrical array antennas, which can resolve the problem of clutter spectrum's nonhomogeneity at range.

然后根据圆柱型阵机载雷达杂波分布特点提出了两种不同的杂波抑制方法，它们能够很好地解决圆柱型阵机载雷达杂波距离向分布非均匀的问题。

In this paper, firstly the differences between cylindrical array and uniform planar array are discussed in terms of eigenvalue distribution of the clutter covariance matrix and clutter distribution at range, and the conclusion of space-time clutter spectrum's nonhomogeneity at range for airborne radar with cylindrical array antennas is gained.

该文首先从圆柱型阵机载雷达杂波协方差矩阵特征值分布和杂波功率谱距离向分布两个方面分析了圆柱型阵列与均匀平面阵列之间的区别，得到杂波功率谱随距离变化的结论。

Aim at disadvantages of traditional measuring methods,such as lower precision and complicated operations,a precise measuring method for pitch circle helix angle of involute spur gear by CMM was put forward.

针对渐开线圆柱斜齿轮分度圆螺旋角的传统测量方法精度低、操作复杂等缺陷，提出用三坐标测量机精确测量圆柱斜齿轮分度圆螺旋角的方法，介绍了其测量原理及步骤，并进行了测量精度分析。

The characteristics of cold precisions forging of floating cavity die which refers to spur gear was discussed in this paper.

分析直齿圆柱齿轮浮动凹模冷精锻工艺的特点，在该工艺基础上开发出了直齿圆柱齿轮的CAD/CAPP系统。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了