In this paper the problem of modeling vibration systems and model improvement is discussed.
本文比较系统和全面地介绍讨论了振动系统力学模型的建立与改进问题。
RESULTS:The successful rate of model improvement method was 100%, and that of traditional method was 80%.
结果：用改进的方法造模成功率100%； 用传统的方法造模的成功率为80%。
The author discusses the software process model assessment and the software process model improvement in the complex project environment across this article.
本文探讨了在一个复杂的项目环境下如何对软件过程模型进行评估和裁剪。
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