名词短语
中文翻译：二次型理论
同义词：
['quadratic form theory', 'quadratic form theory例句：1. The theory of quadratic forms is a fundamental concept in linear algebra.（二次型理论是线性代数的基本概念。）2. In this paper', 'we discuss the theory of quadratic forms and its application to image processing.（在本文中，我们讨论了二次型理论及其在图像处理中的应用。）3. This theory of quadratic forms has been widely used in engineering design.（这一二次型理论在工程设计中得到了广泛应用。）']
例句：
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1. The theory of quadratic forms is a fundamental concept in linear algebra.
二次型理论是线性代数的基本概念。
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2. In this paper, we discuss the theory of quadratic forms and its application to image processing.
在本文中，我们讨论了二次型理论及其在图像处理中的应用。
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3. This theory of quadratic forms has been widely used in engineering design.
这一二次型理论在工程设计中得到了广泛应用。