Feature models are widely used in the SPL requirements commonality and variabilityanalysis 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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Compared with west garden art style, and based on analysis on the variabilityof each constitute part of gardans, the logical relationship between the bend and the straight ness is expounded.
Based on the analysisof some approaches of component variability, this paper discusses the variability implementation approach by using design pattern.