对称

Symmetric function ; generator of symmetric function ; logic design ; circuit realization

对称函数；对称函数产生器；逻辑设计；电路实现

Symmetric kernel graduation ; non-symmetric kernel graduation ; Gamma kernel ; boundary bias

对称核修匀；非对称核修匀； Gamma核；边界偏差

By use of symmetric and skew-Hermitian splitting of matrix, a new type of preconditioner is proposed.

针对大规模电力系统修正方程式高度稀疏的特点，研究了一种基于对称反对称预处理的不精确牛顿法。

For example, it is possible to find a transformation and two bases, so that the matrix is symmetric with respect to one basis and not symmetric with respect to the other.

为了 例如，有可能找到一个转型和两个基地，使矩阵对称的一个方面，而不是对称的基础上对其他。

This paper first presents the definition of symmetric matrix and anti-symmetric matrix and then moves on the disscussion of certain properties of them.

本文先给出对称矩阵和反对称矩阵的定义，然后讨论了它们的若干性质。

As special forms of matrixes, symmetric and anti-symmetric matrix plays a key role not only in the theory of matrix but also in actual application.

对称矩阵和反对称矩阵作为特殊矩阵无论在矩阵理论方面，还是在实际应用方面都有重要的意义。

However in studying the transpose of matrix much focus has been given on the definition of symmetric matrix and anti-symmetric matrix while their properties have not been fully explored.

在高等代数中矩阵是研究问题很重要的工具，在讨论矩阵转置时给出了对称矩阵和反对称矩阵的定义，但对它们的性质研究很少。

For metal lens, we analyze the characteristics of imaging in the same way with left-handed lens, we separate the metal imaging system into to part : symmetric and asymmetric structure.

此外在金属成像的部份，我们利用同样的方法来探讨金属透镜的成像特性，并将金属成像系统分为对称结构与非对称结构分别来讨论。

We study a pinching theorem for submanifolds of locally symmetric space in this paper.This paper has three chapters.In the first chapter, we give a brief introduction of the property of submanifoldsin locally symmetric space,which prepares for the proof of the following main results.

本文研究局部对称空间中子流形的pinching问题，全文共分为三个章节：第一章节介绍局部对称空间中子流形的性质，从而为后面主要结果的证明作准备。

In the third chapter, we study complete minimal submanifolds of locallysymmetric space, and we obtain a pinching theorem about the Ricci curvature of the minimal submanifolds, which generalizes the result of Norio Ejiri\'s from sphere space to locally symmetric space.

第三章节研究局部对称空间中具有正Ricci曲率的完备极小子流形，得到了关于子流形Ricci曲率的一个pinching定理，该定理把Norio Ejiri的结论从外围空间为球空间推广到局部对称空间中。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。