给出了无限秩仿射李代数的实形和某种类型的紧效实形的定义，并证明了这种紧致实形在自同构下的唯一性。

In this paper, we define real form of infinite rank affine Lie Algebra and we also give its some types of compact real form which is proved unique under automorphism.

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借助矩阵的合同变换法，给出了化实二次型为标准形的方法、求标准正交基的方法，并给出了正定二次型判定定理的新证明。

By means of congruent transformation in matrix, the method of transforming real quadratic form into standard form and the method of normal orthogonal basis are given in this paper.

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通过实例探讨了实对称矩阵的正交相似变换标准形在矩阵问题中的应用。

Application of standard form of real symmetric matrix under the orthogonal similarity transformation in matrix problems is given by examples.

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It consists of the entire way of life the moral and religious practices the habits customs and sentiments that make a people what they are.

它包含了整个生命的模式,道德上与宗教上的实作，习惯,风俗与情感,等形塑人格的一些元素。

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