在数学上，一个域F被称作代数闭域，当且仅当任何系数属于F且次数大于零的单变数多项式在F里至少有一个根。
... closed queueing system 闭合排队系统 closed region 闭域 closed Rieman surface 闭黎曼曲面 ...
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研究了代数闭域上三维交换代数的分类。
In this paper, we discuss the classification of 3-dimensionally commutative algebras on algebraically closed field.
第一章中，我们研究了剩余域是代数闭域的离散赋值环上的完全分次代数；
In the first chapter, we discuss the fully graded algebras over discrete valuation ring with an algebraically closed residue field of characteristic p.
在计算实践中，处理大型多项式时，由于复杂性原因，实闭域一阶理论判定方法实际上无效。
The conventional methods do not work in practice when dealing with large polynomials because of their high complexity.
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