查询词典 parabolic cusp

An example of parabolic Radon transform is demonstrated in this paper for filter approach, the energy leakage is a problem in traditional PRT.

对于滤波法给出了广泛应用的抛物Radon变换法的实例，指出了抛物Radon 变换法存在滤波时能量泄漏的问题。

The procedures used visual c development, design optimization for mechanical engineering, for the classical parabolic law, also known as the quadratic interpolation, good operating results.

本程序采用visual c++开发，用于机械优化设计工程计算，为经典的抛物法，又称二次插值，运行结果良好。

The main advantage of reflecting telescope there is no chromatic aberration, when the objective lens when using parabolic, but also can eliminate spherical aberration.

反射望远镜的主要优点是不存在色差，当物镜采用抛物面时，还可消去球差。

From the shadowgraphs, it is observed that the patterns of a plane incident shock wave reflected from the parabolic reflector can be either a regular reflection or a Mach reflection which depends on the shock wave strength and the reflector geometry.

由流场观察得知，入射震波强度较小、收敛角较小的，震波经反射体的反射型态趋向於正规反射，当入射震波强度增强、收敛角增大时，反射型态则会由马赫反射型态再转为正规反射型态。

This paper is divided two chapters. The first chapter discusses the existence and uniqueness of solution for the Cauchy problem of the following quasilinear degenerate parabolic equationThe second chapter studies the geometric properties of a Riemannian manifold.

本文分两部分，第一部分是对如下形式的拟线性退化抛物方程Cauchy问题讨论了解的存在唯一性；第二部分是讨论了黎曼流形中的一些几何问题，主要是将欧氏空间平行射线的概念推广到一般黎曼流形，并研究其所具有的性质。

We study the nonexistence of stable p-harmonic map from complete non-compact strong-parabolic Riemannian manifold to pinching Riemannian manifold.

文章讨论了从完备非紧强抛物黎曼流形到拼挤黎曼流形的稳定p 调和映照的不存在性。

Ritz variation method was used to find the numerical relation between the energy near the ground-state of the hydrogen molecular ion H 2 + and the changes of the variation parameter and the bond length,the computation formula of bond length and ground-state energy for H 2 + was also obtained by means of the method of parabolic interpolation .

用Ritz变分法求出了氢分子离子H2 +基态能量附近的能量随变分参数和分子键长变化的数值关系，并用抛物线插值法获得了H2 +键长和基态能量的值及其计算公式，比文献 [1，2 ]更接近于实验值。

In this paper, we mainly study the controllability for semilinear parabolic equations with various controls.

抛物型方程是自然界热传导过程的数学模型，因而是数学物理中一类重要的方程。

In this article, a class of semilinear parabolic problems with singularities was considered.

首先，将原方程线性化，并证明了其相应变分问题广义解的存在唯一性。

This work is concerned with the approximate controllability for some semilinear parabolic systems with control acting only in one equation.

摘要考虑了半线性抛物系统的逼近能控性问题，其中控制是加在系统中的一个方程上。

And this is the when people exchange gifts,sing carols,hang stockings,and so on.

他把蜡烛放在它上面，使它看起来象他在森林里看到的那样。

I was going to say rider, but in this instance perhaps a better word is technician!

我要说车手，但在这种情况下也许是一个更好的词是技术员！