二次形式
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在数学上，代数确实是在处理形式（form），确实也是，quadratic form（二次形式），Jordan Canonical form（Jordan固有形式），代数里有许多称为form的东西。
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... quadric expression 二次式 quadric form 二次形式 quadric hypersurface 二次超曲面 ...
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半负定二次形式 [数] negative semidefinite quadratic form
二元二次形式 [数] binary quadric form
约化二次形式 reduced quadratic form
半定二次形式 semidefinite quadratic form
双二次形式 [数] biquadratic form
二次形式的极 polar of a quadratic form
复合二次形式 [数] compound quadratic form
二次形式对 pair of quadratic forms
二次形式的亏格 [数] genus of a quadratic form
双语例句原声例句
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所以在2是可逆的时候，这可以用作二次形式的定义。
So when 2 is invertible, this can be used as the definition of a quadratic form.
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本文从一般强度理论出发导出各向异性材料应力形式张量多项式强度理论，根据强度准则的外凸性得到应力二次形式强度准则的强度参数限制条件。
A set of inequality constraint conditions of the strength parameters is derived from the convexity of the strength criterion, which is expressed in a quadric form in terms of stress components.
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然而她明白，这孩子的心中是有着爱的，不过这种爱通常是以激情的形式来表达的；她生来恐怕还没有第二次这样温文尔雅呢。
Yet she knew that there was love in the child's heart, although it mostly revealed itself in passion, and hardly twice in her lifetime had been softened by such gentleness as now.
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Again, this is the second and last and last of these sort of holding pattern lectures.
这是第二次,也是最后一次以这样的形式讲课
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