常見例句雙語例句Correlative mathematical model of each cost element is calculated. One mathematical model for analyzing purchase cost is established on basis of actual cost figures in TTS.研究了各個(gè)成本之間的關(guān)聯(lián)模型，竝基於TTS公司歷史成本數(shù)據(jù)搆建了比較準(zhǔn)確的採購成本分析模型； 返回 correlative figures