系统采用UML方法进行系统分析，建立系统的功能模型和对象模型。
The system USES UML method to analyze, and then create the function model and object model.
通过对废物交换各环节的阐述，用系统分析的方法，分析了废物交换管理信息系统的基本功能和组成。
By expounding the links of waste exchange and using the method of system analysis, the basic functions and components of such an information system were analyzed.
系统分析部分是系统的功能和需求分析。
System analysis part is the function of the system and need analysis.
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