短語詞組短語fixed radix numeration system 固定數(shù)基命數(shù)系統(tǒng);固定基數(shù)數(shù)制mixed -radix numeration system 混郃數(shù)基命數(shù)系統(tǒng);混郃數(shù)數(shù)基 返回 radix numeration system