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Matrix to determine whether it is reflexive and symmetric, Discrete Mathematics in the binary relation.

判断矩阵是否是自反的，对称的，离散数学中的二元关系。

A binary relation on a set that is reflexive and symmetric is called a compatible relation.

一个集合上的二元关系，如果它是自反的也是对称的，可称它为相容关系。

In greater than two space dimensions, there is one new consistent statistics in which all representations of the symmetric group can occur. This is infinite statistics, which is also called quantum Boltzmann statistics.

而在大于二维的空间中，还存在一种自洽的统计，其中对称群的所有表示都可以出现，这就是无穷大统计，也就是我们通常所说的量子玻尔兹曼统计。

For the case of A1 symmetric defect states near the bott

对于靠近价带顶的A_1态，由于与价带顶对称性不匹配，不发生k空间收缩现象。

We proved that under some concrete conditions imposed on μ, e and restrictions on the boundary value, the operator of Maxwell's equations becomes a symmetric ...

如果不满足对称性，引入伴谐振腔的概念，所谓伴谐振腔在几何形状上和原来的腔相同，但、和边界条件不一样。

Finally,we discuss the existence of symmetric positive solutions for p-Laplacian two point boundary value problem on time scales.

最后，讨论了测度链上p-拉普拉斯动力方程两点边值问题的正对称解的存在性。

We prove that a bounded hyperconvex domain D is Bergman complete if the pluricoinplex Green function is symmetric.

我们证明了若一个有界超凸域的多复变量Green函数是对称的，则其是Bergman完备的。

We prove that a bounded hyperconvex domain D isBergman complete if the pluricomplex Green function is symmetric.

我们证明了若一个有界超凸域的多复变量Green函数是对称的，则其是Bergman完备的。

In Chapter 2, we obtain the boundedness of solutions and the existence of invariant tori for an symmetric conservative system.

在第二章中，我们研究了一类非对称的保守系统解的有界性和不变环面的存在性。

According to the properties of substituted thiourea derivatives,4 symmetric and 12 unsymmetric thiourea compounds were synthesized by reaction of alkyl amine or substituted aniline with carbon bisulfide or some isothiocyanates .

针对不同活性的取代硫脲，采用脂肪胺或取代苯胺与二硫化碳或不同种类的异硫氰酸酯反应，合成了4种对称的和12种非对称的硫脲衍生物。

As of Tuesday, Google's results were still censored in China.

截至周二，谷歌的搜索结果仍受中国审查。

In order to make the positive action increase and negative one decrease, the sub-forces of the social factors must be adjusted to form a centripetal force.

在这一过程中，人的主体性发挥是社会有机体健康发展的灵魂。