信息隐藏模块化是为变化进行设计的关键。
Information hiding modularity is a key to design for change.
最值得注意的结果是服务接口之外非常不灵活，因为模块设计、信息隐藏和逻辑结构原则均未得到遵循。
The most notable consequence is the inflexibility beyond the service interface since modular design, information hiding and logical structuring principles are all violated.
在1972年，Parnas将信息隐藏作为一种为软件设计修改模块化结构的方法引入。
In 1972, Parnas introduced information hiding as an approach to devising modular structures for software designs.
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