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...
Any entry arriving after the closing date will not be considered.截止日期之后报名参赛的人将不予考虑。They almost won the match in the closing minutes.最后几分钟的时候他们差一点赢了这场比赛。Within minutes she was outside, closing her bedroom door tight behin...