短語詞組短語asymptotic estimate formula 漸近估計式asymptotic expansion formula [數]漸近展開公式asymptotic equivalent formula 漸近等價式asymptotic c formula 漸近公式asymptotic estimation formula 漸近估計式asymptotic counting formula 漸近計數公式interesting asymptotic formula 漸近公式Voronovskaja type asymptotic formula Voronovskaja 型漸近等式vonorovskya asymptotic formula Vonorovskya 漸近表達式 返回 asymptotic formula