biquadratic的音标：biquadratic的英式发音音标为：[baɪk'wɒdrætɪk]biquadratic的美式发音音标为：[baɪk'wɒdrætɪk]...

That leads to biquadratic equations for solution.它们又引出待解的双二次方程.The global topological structure of the biquadratic systems is discussed and their coefficient conditions are given.讨论了一类齐四次系统的全局结构,并给出了它们的系数条件.In this paper...

adj.四乘幂的，四次的n.四乘幂，四次方程式...