In the phase of domain design,based on UML and ACME ,object structure model and object behaviour model of Electronic Payment software are created.

• 在领域设计阶段,采用面向对象 / 构件的方法,结合 UML 和 ACME 两种建模语言,建立电子支付软件的对象结构模型和对象行为模型;