名词
中文翻译：双四次方变换
同义词：
['quadratic transformation', 'bilinear transformation例句：1. The biquadratic transformation of the system is a key factor in determining its stability.（系统双四次方变换是决定其稳定性的关键因素。）']
例句：
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1. The biquadratic transformation of the system is a key factor in determining its stability.
系统双四次方变换是决定其稳定性的关键因素。
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2.In this study, we investigate the biquadratic transformation of a simple quadratic equation.
在这项研究中，我们研究一个简单的二次方程的双四次方变换。
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3. The biquadratic transformation is used to solve systems of linear equations with many variables.
双四次方变换用于解决具有许多变量的线性方程组。