designing stage

• 设计阶段

designing stage的用法和样例：

例句

1. The product is at the design stage.
   产品处于设计阶段。
2. The application of Object Oriented software engineer focuses on the model construction at the OOC and OOD stage.
   应用面向对象的软件工程方法的重点放在面向对象的分析和面向对象的设计阶段的建模。