该系统主要包括资料管理、采购管理、销售管理、库存管理和统计分析等模块。它可以对企业存货的出入库进行核算，及时准确地掌握商品库存情况，并动态反映存货资金的增减变动，为企业的决策提供基础数据。-The system includes data management, purchasing management, sales management, inventory management, and statistical analysis module. It can be accounted fo

决策在管理活动中普遍存在，是为解决当前或未来可能发生的问题-Prevalent in the management decision-making activities is to address current or future problems that may occur

1 Introduction industry is facing fierce global competition, companies need in order to survive, a variety of analysis and decision-making to occupy and control the market. To improve the competitiveness, many companies use the DCS, SCADA, PLC and ot