This paper presents a survey of system model simplification theory.
本文对系统模型的简化理论进行评述。
For the static model, the technology has achieved a very good model simplification.
对于静态模型，现有技术已经很好的实现了模型简化。
For the static model, the technology has achieved a very good model simplification.
对于静态模型，现有技术已经很好的实现了模型简化。
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