The runtime software architecture can accurately describe the actual status and behaviors of the target system, which is important to guiding software maintenance and evolution.

运行时软件体系结构能够准确描述目标系统的真实状态和行为，对指导软件的维护和演化起着重要的作用。

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Because of the sophisticated class structure and the redundant code, it is very difficult to reread the source code, and so are the software evolution and maintenance.

由于复杂类结构和冗余代码所带来的源码重读困难，使软件进化和维护都未达到理想的目的。

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