软件采用模块化结构。
采用模块化结构进行软件设计并给出了结构模型。
A modular structure was applied to design the software system whose model was proposed.
该系统采用模块化结构，自顶向下的程序设计方法。
The mode structure is applied in this system which is vertically programmed (by a way from top to bottom).
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