冪級數 的释义 | Babel Free
mi⁵¹ t͡ɕi³⁵ ʂu⁵¹释义
一類形式簡單而應用廣泛的函數級數(∑ᵢ₌₀ ᪲a_i(x-c)ⁱ)
CEFR 等级
C2
精通
该词属于CEFR C2词汇——精通水平。
该词属于CEFR C2词汇——精通水平。
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