曲面

Available in flat, curved surface objects, for the most beautiful and high-quality, efficient business card printing and membership card.

可在陡、曲面物体上，息最好看及高品格效果的制卡和会员卡制息。

Result Obtained formulas of curved surface of second degree simplified with some conclusion related of polynomials factor decomposition.

结果 得出了二次曲面简化的公式和某些多项式因式分解的相关结论。

Geometrically nonlinear strain-displacement relations, the total potential functions and equilibrium equations of the tires are derived with respect to the orthogonal curvilinear coordinates for details.

以轮胎的内轮廓曲面为参考面，用正交曲线坐标描述轮胎的几何变形，详细推导了正交曲线坐标系下轮胎的几何非线性的应变—位移公式和平衡微分方程。

This curriculum primary coverage includes: Function and limit, a circular function derivative and differential, theorem of mean and derivative application, indefinite integral, definite integral, definite integral application, space analytic geometry and vector algebra, function of many variables differential method and application, multiple integral, curvilinear integral and surface integral, infinite series, differential equation.

该课程的主要内容有：函数与极限，一元函数的导数与微分，中值定理与导数的应用，不定积分，定积分，定积分的应用，空间解析几何和向量代数，多元函数微分法及其应用，重积分，曲线积分与曲面积分，无穷级数，微分方程。

Therefore, architects should lay down burden in their mind, and make preparation for the design of more rational, elegant, and economy curvilinear form.

因此，建筑师们应放下观念上的包袱，为设计更理性、更优雅、更经济的自由曲面造型做准备。

It discusses the definite methods of cutting-pattern lines in the paper and also solves the problems to expansion of the membrane curved surface on the basis of modeling analysis. The paper combines two kinds of methods: the plane cutting method and the expansion method based on spring-mass system, to realize the cutting pattern analysis of the pneumatic membrane structure.

本文在造型分析的基础上对裁剪线的确定方法进行讨论，并对膜曲面的展开进行了分析，结合两种方法——平面切割法和基于弹簧质点系统的展开方法，完成了充气膜结构的裁剪分析。

Virtual cutting were done on reconstructed hepatic models, and liver specimens were cut according to the virtual cutting plane.

虚拟手术系统对重建的肝脏模型可进行任意曲面切割，断面能显示所遇到之管道结构，并与实际肝脏标本的切割断面情况相符。

At the time of some modeling in structure, according to the characteristic of the rotating shell, the article adopt finite strip method to analyse to the shell, and discretes the rotating shell along the axis to a series of cylindrical shell to set up mold of curved surface ,not only guarantee to calculate the precision as well as raise the efficiency, but can deal with more complicated structure.

在结构部分建模时，根据旋转壳体的特点，对壳体采用有限条法进行分析，将旋转壳沿轴向离散成一系列的锥状或柱状条，对结构旋转曲面进行建模，既保证计算精度又能提高效率，而且可以处理比较复杂的组合结构。

Then, for the first time, a finite element model of the cylindrical shell surface was bring forward and set up.

首次提出和建立了柱体坐标系下的曲面柱壳单元有限元模型，以及在柱坐标系下的边界元法基本方程和柱坐标系下无限域与半无限域基本解。

Based on simulation results, the field characteristics of some kinds of non-axisymmetric focusing surfaces, including cylindrical surface and ellipsoidal surface, are analyzed.

以声场模拟为基础，分析了包括柱面聚焦和扁椭球面聚焦等在内的几类非轴对称聚焦曲面声场特性。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。