[计] mixed base numberation system, mixed-base numeration system

hùn hé jī shù jì shù zhì ㄏㄨㄣˋ ㄏㄜˊ ㄐㄧ ㄕㄨˋ ㄐㄧˋ ㄕㄨˋ ㄓˋ