名词
中文翻译：复数幂级数
同义词：
['multivariate power series', 'polynomial power series']
例句：
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1. The function f(x) = x^3 + 2x^2 - 3 is a complex power series.
函数f(x) = x^3 + 2x^2 - 3是一个复数幂级数。
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2. In mathematics, a complex power series is used to model the behavior of certain physical phenomena.
在数学中，复数幂级数被用来模拟某些物理现象的行为。
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3.The series converges slowly for large values of x, indicating that the function has many zeros.
对于大的x值，该级数收敛缓慢，这表明函数有许多零点。