查询词典 quasi-definite

In this paper, we study structure-preserving algorithms for some doubly structured matrices and structured backward errors by Van Loans squared reduced method, quasi-QR factorization and Wielandt-Hoffman theorem.

本文利用Van Loan的平方约化方法，拟QR分解，Wielandt-Hoffman定理等对一些双结构矩阵特征值算法和结构向后误差进行了研究。

In chapter 1,we considered one family of quasi-plane symmetric solutions of theEinstein-Maxwell equations which describe the scattering between gravitational waveand electromagnetic wave.

第一章主要考虑了一类准平面对称的Einstein-Maxwell方程的解。

My company not only operating domestic fans, axial fan, but also sales agent of similar imported products such as Germany ebmpapst, Sanyo, NMB-MAT, Taiwan's quasi-built, Taiwan and Mexico DELTA Tatsu fan brands.

我公司不仅经营国产风扇，轴流风机，同时也代理销售进口的同类产品如德国ebmpapst，日本三洋，NMB-MAT，台湾建准，台达DELTA及墨西哥风扇等品牌。

We improved the merit function in quasi-feasible interior point method and used the exponential function that is the more general function to prove the existence of one order optimality point in feasible problem. We discussed the inner and outer algorithms and made the convergence theorem.

在算法中改进了拟可行内点法中的值函数，使用指数形式的更一般函数，用此值函数证明了可行性问题的一阶最优性点的存在性，并通过对内部算法及外部算法的讨论得到了算法的收敛性定理。

It provides a theoretical basis for reliable and effective operation of the network,which is shown to be globally convergent with respect to its feasible region called quasi-convergence and to be primal in the sense that its trajectories can never escape from the feasible region.

在很一般的条件下证明了网络的总体稳定性问题，这些对于网络的可靠运行与有效运行提供了理论基础。

As a federal party, it is handicapped by internal factions in the party. Therefore, the Labor Party must slowly reform and manage capitalism, while building up quasi-socialist factors to improve the ordinary people's material life and political status.

因此，它只能以渐进地改良资本主义、管理资本主义为宗旨，同时在管理资本主义的过程中也培育出了一些"准社会主义的因素"，为改善劳动人民的物质文化生活、政治地位作出了一定的贡献。

The potential windows in acidic, neutral or alkaline medium were respectively 4.4 V, 4.0 V and 3.0 V. In the electrolyte including Ferri/Ferrocyanide, the electrode surface kept good activity, and the electrochemical reaction occurring on the surface was a diffusion-controlled reaction, with good quasi-reversibility.

在铁氰化钾电解液中，金刚石膜电极表面在反应过程中始终保持良好的活性，在表面进行的电化学反应具有良好的准可逆性。

In the first place, an American court is often enabled or compelled to adjudicate wholly foreign cases by virtue of a" transient" service of process , or by virtue of an in rem or quasi in rem jurisdiction that is based merely on a fictious situs.

首先，一个美国法院经常能够甚至必须对纯属外国案件作出判决；这种判决是完全依据属地送达法律令状的"过境的"属人管辖权或者是完全依据假定情况的对物或类似对物诉讼管辖权。

At first, using paraxial approximation method, the orthogonal vector wave functions in the quasi-optical cavity are deduced.

它是涉及到器件、电磁场理论、天线理论和计算技术等方面的一项综合技术。

The quasi-analytical expressions of the relative concentrations at the mobile region and the immobile region are deduced respectively by using hypergeometric equation, hypergeometric function and the method of Laplace transform under the initial concentration zero and the first or second boundary condition of a semi-infinite one-dimensional space.

并分别在初始浓度为零，半无限一维空间内第一类边界条件和第二类边界条件下，利用超几何方程、超几何函数和Laplace变换法推导出了可动区和不动区溶质相对浓度的准解析表达式。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。