查询词典 hyperbolic cylindrical surface

We also give two other kinds of further general- izations: one is to the case of hyperbolic-type degenerate lower dimensional tori in Hamiltonian systems, and the other one is to the case where the Hamiltonian has time-dependent quasi-periodic perturbation.

在第三章中，我们利用法向双曲不变流形理论和尤建功的一个定理的光滑性表述，给出了一个同时具有法向频率和法向分量的推广的KAM定理。

Some necessary and sufficient conditions for the oscillation of solutions of delay hyperbolic differential equation s are obtained.

建立了一类时滞双曲型微分方程解的振动充要条件，揭示了这类双曲方程与相应泛函微分方程解的振动的等价性。

This paper studies oscillation of the solutions of hyperbolic partial differential equation with continuous delay argument.

研究了一类具有连续时滞的双曲型偏微分方程？？

Another reason why hyperbolic tangent is a good choice is that it's easy to obtain its derivative.

另一个原因双曲正切是一个很好的选择是很容易得到它的导数。

The hyperbolic model can be easily derived from a set of fuzzy rules.

这种模型是一种模糊模型，可以很容易由几条模糊规则得出。

After this the Euclidean and hyperbolic geometries are built up axiomatically as special cases of a more general 'descriptive geometry'.

在此之后的欧几里德和双曲几何的建立作为一个更一般的'特殊情况下，公理画法几何'。

At last, in Chapter 7, the author establishes the theory on global exact boundary controllability for first order quasilinear hyperbolic system of diagonal form and applies it to one-dimensional isentropic flow system.

最后，在第七章，本文对齐次的一阶拟线性对角型双曲组实现了整体精确能控性，并在一维等熵流方程组得到了应用。

At the end, the author establishes the global exact boundary controllability for first order quasilinear hyperbolic systems of diagonal form, taking the one-dimensional isentropic flow system as an example.

本文的具体安排如下：首先在第一章，作者简单介绍了精确能控性的定义以及相关问题的研究历史与现状。

A class of exact solutions of the Dirac equation are obtained for an electron in the electromagnetic field of a wave guide formed by two pairs of hyperbolic cylinders.

摘要研究了位于由两对双曲柱面构成的波导管电磁场里的单电子的性质，得到了单电子在场中狄拉克方程的新一类精确解；计算了极化算符的本征函数。

Inhomogeneous hyperbolic conservation law; viscosity solution; weak solution; entropy-entropy flux; maximum principle; Young measure; Dirac measure; compensated compectness

基础科学，数学，数学分析非齐次双曲型守恒律；粘性解；弱解；熵-熵通量；极值原理； Young测度； Dirac测度；补偿列紧理论

These are places without aristocratic baggage; egalitarian places open to talent, self-improving, engaged in learning and innovation through networks that were at once competitive and cooperative.

这些地方没有贵族遗风作祟，而且对于那些有天分的人是开放的平等之地，这些人善于通过那些曾经很具有竞争力与合作精神的关系网进行自我提高以及学习创新。

Christine: You don't want to see me?

你不想见我？