短語詞組短語common n logarithm 常用對數(shù)signed common logarithm 帶符號位常用對數(shù)common logarithm table 常用對數(shù)表when common logarithm is used 採用常用對數(shù)表示爲characteristic of a common logarithm 常用對數(shù)首數(shù)modulus of a common logarithm 常用對數(shù)模mantissa of a common logarithm 常用對數(shù)尾數(shù)logarithm common 常用對數(shù) 返回 common logarithm