【摘要】 本文讨论了国家经济信息系统县级网络的投资原则、效益分析方法及投资优化的数学模型,并给出了若干分析和计算的实例。更多还原

【Abstract】 This paper discussed the investment principles and benefit analysis as well as the mathematical models of investment optimization for county nets of Economic Information Systems of China. Some examples of analysis and computation were given.更多还原