他们完成了长期以来努力对霍普夫代数上根进行的分类。
They finished their long-term classification effort of Hopf algebras with coradical.
也考虑了在根与解的问越上代数方程与具有滞后的代数方程的等价性。
The equivalauce of roots and solutions between algebraic equation and algebraic equation with time lags is considered.
解答分式不等式，选用数轴标根法比代数方法有更高的正确率。
In solving rational inequalities, using the number line yields a higher correctness rate than using algebraic manipulations.
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