词汇	discount factors
释义	discount factors 贴现因子
随便看	physical data base record physical database record occurrence physical data base record occurrence physical database record type physical data base record type physical data block physical data description language physical data flow diagram physical data/height/weight physical data independence Physical Data Model physical data structure physical dealing physical decay physical decolorization physical decomposition physical decontaminant physical defect physical defect of child physical defect rate physical defence Physical Defense Division physical deficiency physical definition physical deformity