求翻译：正交变换是欧氏空间中一类相当重要的线性变换之一, 本文首先总结了正交变换的概念及性质，概括了正交变换成立的12个充要条件，在此基础上，着重研究了正交变换的应用.是什么意思？

Orthogonal transformation is a Euclidean space in a very important one of the linear transformation, the paper first summarizes the concept and nature of the orthogonal transformation, outlines the orthogonal transformation to the establishment of the 12 necessary and sufficient condition on this ba

It is orthogonal transformation in Europe's space in a class is very important, a linear transformation of the paper first summarizes the concept of orthogonal transforms, outlines the nature and formation of orthogonal transforms a 12, on the basis of this study, with a focus on the applications of

The orthogonal transformation is in the euclidean space one of kind of quite important linear substitutions, this article first summarized the orthogonal transformation concept and the nature, summarized the orthogonal transformation tenable 12 necessary and sufficient conditions, in this foundation

Orthogonal transform is one of a class of linear transformations is important in Euclidean space, first of all, this article summarizes the concepts and properties of orthogonal transforms and outlined 12 formed a necessary and sufficient condition for orthogonal transform, on this basis, focused on

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