The software development technology based on components is a new technology in the software engineer field, and component evolution is hot topic in the software engineer research.
基于构件的软件架构技术是软件工程领域中新兴的软件设计技术，其中构件演化理论成为目前软件工程理论研究的热点问题。
The key is that the flagellum’s component structures, which Behesuggests have no value apart from their role in propulsion, can servemultiple functions that would have helped favor their evolution.
问题的关键在于，Behe认为在其它地方没有存在价值的鞭毛的各个组成器官，其实可以提供对进化有利的许多功能。
This method is based on integration of existing components, and this integration process consists of four steps: component evaluation, component adaptation, component assembly and system evolution.
该方法的开展通过集成已存在的构件进行，可以分为构件的评选、构件适配、构件组装、系统演化四个阶段。
Finally, a data exchange component used in digital campus system was given to illustrate the effectiveness of above evolution methods.
最后，以数字化校园中各应用系统间数据交换构件演化为例，证明了方法的可行性和有效性。
Finally, a data exchange component used in digital campus system was given to illustrate the effectiveness of above evolution methods.
最后，以数字化校园中各应用系统间数据交换构件演化为例，证明了方法的可行性和有效性。
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