It is shown that if a generalized symmetric system is controllable on a neighborhood of a point, then the system is controllable on some open set which includes the group action-orbit at the point.
文中证明了如果广义对称系统在一点的邻域可控，那么系统在包含该点群作用轨道的一个开集上是可控的。
Not surprisingly, the system is symmetric and comprehensive.
系统是对称和全面的，这不足为奇。
Using the symmetric algorithms and the asymmetric algorithms together security performance of the application system is improved.
将对称密码算法和非对称密码算法共同使用，增强了应用系统的安全性。
To the inverse problem of the system of linear algebraic equations, tiauthor gives a symmetric matrix solution and the expression of its general solution.
本文给出线性代数方程组反问题的对称矩阵解，及其通解表达式。
Its brand identity system relies on a totally symmetric monogram of its initials, also visualizing the butterfly, symbol of beauty, evolution and metamorphosis.
其品牌标识系统依赖于一个完全对称的会标，它的缩写，也可视化的蝴蝶，象征着美丽，演化和蜕变。
The method ICCG. is one of the best iterative method for solving the system of linear algebraic equations, but it can only be applied to the symmetric and positive definite coefficient matrix.
ICCG方法是解线性代数方程组较为理想的方法，但它仅适用于具有正定对称的系数阵。
Reliability of linear symmetric combination controller is analysed in this paper, pointing out the controller may improve reliability of controller in parallel system.
对线性对称组合控制器的可靠性进行了分析，指出：对称组合控制器可以改善并联系统中控制器的可靠。
In this paper, a symmetric image encryption scheme based on composite discrete chaotic system is presented.
提出了一种基于复合离散混沌系统的对称图像加密算法。
Moreover, three-phase four-wire active filters can suppress zero line current, and solve symmetric problem of system effectively.
另外，三相四线制有源电力滤波器能有效地抑制零线电流，并能有效地解决系统的不对称问题。
Using the group inverse, an explicit solution to a symmetric singular system is described.
利用群逆可以求得离散型对称奇异系统的显解。
The two main competing cryptography schemes are known as the secret-key (symmetric) system and the public-key (asymmetric) system.
现有两种主要的、相互竞争着的密码术，被称作秘钥（即对称）系统和明钥（即不对称）系统。
This paper is investigated a preconditioned conjugate gradient method in solving a linear algebraic system of large sparse symmetric and positive equations.
本文研究了解决大型稀疏对称正定线性方程组的一类预条件共轭梯度法。
FEM formula in the cylindrical coordinates system is derived and the methods of dealing with the periodic symmetric boundary coordinates are given.
具体推导了柱坐标下的有限元列式，并给出了周期对称边界条件的处理方法。
At the same time, a new proof is given for the sufficient and necessary condition of the SOR method applied to symmetric and positive definite system.
进一步丰富了SOR理论，同时给出了SOR方法在对称正定条件下收敛的充要条件的又一新证明。
In this paper, the concept of non-symmetric similarity relation had been used to formulate a new definition of approximation to an incomplete information system.
定义了非对称相似关系的近似集概念，提出了一种利用非对称相似关系下近似集和属性值对的基于粗糙集的确定规则推理算法。
After deeply studied in the fast Fourier transform (FFT) method, this paper presents an improved FFT algorithm considering the half-wave symmetric characteristic of power system signals.
在深入分析快速傅里叶变换(FFT)方法的基础上，针对一类电网信号具有半波对称性的特点，提出了一种改进的FFT算法。
Plane arrangement of the structural system is regular, symmetric and uniform which is helpful to resist earthquakes.
结构平面选型具有规则性、对称性和均匀性，有利于抗震；
This paper describes how to integrate a networks cryptographic system based on the non-symmetric cryptographic system, and the correlative key-management method.
文中讨论了怎样在非对称密钥体制下集成一个网络加密系统及相关的密钥管理算法，并结合银行的网络系统的结构进行了一些探讨。
This system can be used to study the plasma accumulation and heating, potential shielding and electrostatical end plug of axial symmetric tandem mirrors.
该装置将开展等离子体积累与加热、电势屏蔽、静电堵漏轴对称串级镜端塞的研究。
We consider the problem of solving the finite element system of equations coming from symmetric elliptic boundary value problems.
本文研究椭圆边值问题有限元方程的求解。
This paper considered all the parameters properly and created the 3-D transient temperature field for cyclic symmetric structure of aircraft brake system with MSC.
针对飞机刹车装置这种循环对称结构，合理考虑各种相关参数，使用MSC。
This paper considered all the parameters properly and created the 3-D transient temperature field for cyclic symmetric structure of aircraft brake system with MSC.
针对飞机刹车装置这种循环对称结构，合理考虑各种相关参数，使用MSC。
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