This is a good feature during your analysis and design efforts, but not so good for your requirement efforts.
在分析和设计期间，这是一个较好的特性，但对于您的需求实现来讲，并不理想。
The feature can refine this requirement to be: "System should use a relational database".
特性可以将此需求精化为："系统应当使用一个关系数据库"。
Based on past experience, we knew that most feature and system defects we discovered in testing resulted from ambiguous requirement definitions.
根据过去的经验，我们知道通过模糊的需求定义，特性和系统缺陷会大量出现在测试结果里。
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