Feature models are widely used in the SPL requirements commonality and variability analysis phase to model all possible configurations of SPL member applications.

SPL需求共性和可变性分析阶段广泛使用功能模型来对SPL成员应用程序的所有可能配置建模。

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Some level of domain analysis must be done to determine the commonality that exists across the domain, and thus determine what types of services would have reuse value.

必须进行某种层次的域分析，以确定在整个域中存在的共性，从而确定哪种类型的服务具有重用价值。

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Requirements activities must be augmented with commonality and variability analysis.

必须用共性和可变性分析对需求活动进行扩充。

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"If you do a forensic analysis we can then identify commonality of product which takes us back to single suppliers, single warehousemen, and those people who produce it, " he said.

BBC: New techniques help trace heroin