• 1. Formal Power Series: 形式幂级数
• 2. ring of formal power series: 形式幂级数环
• 3. formal power series ring: 形式幂级数环

更多释义

• 1.In this article, we discuss some exceptional sets in formal power series field.
  本文研究了形式级数域中若干连分数例外集。
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• 2.In this paper, an important combinatorial identity is obtained by means of the formal power series.
  本文运用形式幂级数的技巧，证明了一个重要的组合恒等式。
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• 3.When Z is assigned the meaning of a complex variable, problem of "closed form" of formal power series emerges.
  当指定Z为复数变元时，就有了形式幂级数的“变换”函数，即闭合形式的问题。
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