The main jobs done in this paper are as follows : 1 . simulation models of the inventory system are defined as combination of three basic logic elements which are supplier , warehouse and consumer , and attributes of respective elements are also defined 論文完成的主要工作如下: 1 .采用供應(yīng)方、倉(cāng)庫(kù)和需求方三類基本邏輯單元建立庫(kù)存系統(tǒng)的仿真模型,并定義了各單元的屬性參數(shù)。