价格本体系统投入产出模型中直接消耗系数对临界平均毛利率的影响分析
何宜庆;王浣尘
Influence Analysis of Direct Consumption Coefficients in the Input-Output Model of Price Proper System on Critical Average Gross Profit Rate
Yi Qing HE;Huan chen WANG
系统工程理论与实践
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2002, (12): 97
-100
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DOI: 10.12011/1000-6788(2002)12-97