查询词典 hyperbolic cotangent

There were many studies on the static properties of common types of reticulated shells, such as sphere, cylinder, elliptic paraboloid, hyperbolic paraboloid and so on, while little systematical research on ellipsoid reticulated shells has been reported by now.

摘要对于比较常见的网壳结构形式，如球壳、圆柱面网壳、椭圆抛物面网壳、双曲抛物面网壳等，其静力性能的研究已比较成熟，有关其非线性全过程分析的策略、思想及实施方法，很多学者均进行了深入的分析和探讨，但对椭球面网壳这一结构形式来说，目前还没有系统的研究。

Before hyperbolic geometry, mathematicians knew about two kinds of space, Euclidean space and spherical space. And they have different properties.

在有双曲几何前，数学家知道有两种空间－欧几里德空间和球面空间；它们具有不同的性质。

This paper deals with pricing theory and empirical study about European option pricing when stock prices obey exponential Generalized hyperbolic levy process.

本文研究股价服从指数广义双曲levy过程下的欧式期权定价理论，并以宝钢欧式看涨期权为例，通过技术方法实现定价。

Extremal mappings have been one of the main topics in the theory of quasiconformal mappings, n the section 4, we consider the extremal mappings on the surface Rwhere every Ri is a hyperbolic Riemann surface, Ri Rj =,i j,I is a non-empty indexset.

拟共形映射的极值问题是拟共形映射理论中的又一重要课题，在文章的第四章中，我们将考虑曲面R=U R_i i∈I上的极值问题，其中每个R为双曲Riemman曲面，R_i∩R_j=φ，i≠j，I为非空指标集。

The hyperbolic variable sections viaduct piers are applied in new Wuhan station of Wuhan-Guangzhou passenger dedicated line,which can break through traditional theory about plane fair-faced concrete in architectural design as to get decorative effects combined with fair-faced concrete of beam making one integrated mass.

武广客运专线新建武汉站站房高架桥桥墩设计为双曲变截面，在建筑外观设计中突破了传统的平面饰面清水混凝土设计理念，而突显双曲面的饰面清水效果，以达到与梁体饰面清水混凝土浑然一体的装饰效果。

Be careful that you don't contrive a series of far-out hyperbolic stories that are only a partial reflection of the truth.

注意不要编造一系列离谱的故事来反映部分的真相。

In this paper we prove that it is sufficient to prove for Fermat's last theorem using the complex hyperbolic functions in the hypercomplex variable theory.

摘要∶本文利用 P 阶复双曲函数，证明了只要证明就全部证明了费马大定理。

This study collects 198 sets of field measurement data due to shield tunneling cases reported in different parts of the world from 1980 to 2008. A hyperbolic model is proposed to simulate the surface settlement-time relationship due to shield tunneling constructed in different types of soils with different shields.

本研究搜集自1980年至2008年间，世界各国共198笔潜盾隧道施工案例之监测资料，利用双曲线模式模拟於不同性质土层内、以不同型式之潜盾机施工引致之地表沉陷历时曲线。

The main contents of this course include: the construction, convergence, compatibility and stability of finite difference scheme of elliptic equation, parabolic equation and hyperbolic equation, the construction method and computation format of finite difference scheme of a system of partial differential equations.

本课程主要内容有：椭圆型方程的有限差分格式的构造，有限差分格式的收敛性，相容性及稳定性、抛物型方程的有限差分格式的构造，有限差分格式的收敛性，相容性及稳定性、双曲型方程的有限差分格式的构造，有限差分格式的收敛性，相容性及稳定性、偏微分方程组的有限差分格式的构造方法及有关的计算格式。

In this paper, we consider hyperbolic conservation laws, and the following work has been done to the finite volume method on unstructured meshes :In preface , we introduce the backupground of the oringe of the finite volume method, and point out the limitation of the finite difference methods and the finite element methods, and import the finite volume method.

本文主要考虑双曲型守恒律方程，对二维非结构三角形网格有限体积方法作了如下工作：介绍了有限体积方法的产生背景，指出了有限差分方法和有限元方法中的特点，对有限体积方法的产生和发展给出了比较详细的分析。

Aquatic or marsh-growing fern allies; known to have existed since the Cenozoic; sometimes included in Lycopodiales.

生活于水中或湿地的蕨类；从新生代生存至今；有时归于石松目之中。

The engine was uprated from a 90hp Franklin to a 125hp Lycoming.

改良过的引擎是从90hp到125hp莱康明富兰克林。