短語(yǔ)詞組短語(yǔ)Napierian n logarithm 自然對(duì)數(shù)e BASE OF NAPIERIAN LOGARITHM 自然對(duì)數(shù)基底電荷logarithm Napierian 訥丕而對(duì)數(shù);納氏對(duì)數(shù) 返回 Napierian logarithm