特征模型本质上也是一种需求的组织方式，在以产品线工程为基础的应用系统开发活动中，特征模型为该系统的需求提供了一个复用的框架。
Feature model is a form of organizing requirement essentially, which provide a reusable framework for the requirement of the application system in the development of it based on SPL.
特征模型本质上也是一种需求的组织方式，在以产品线工程为基础的应用系统开发活动中，特征模型为该系统的需求提供了一个复用的框架。
Feature model is a form of organizing requirement essentially, which provide a reusable framework for the requirement of the application system in the development of it based on SPL.
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