The dynamic stability concept of large caliber machine gun is proposed, and its principle, theoretical modeling method and experimental analysis method are systemically studied.

提出了大口径机枪的动态稳定性概念，并对其原理、理论建模方法及模型、实验分析方法进行了系统研究。

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Using UML, use-case modeling, static modeling, dynamic modeling, coding and deployment analysis are made for the system, thus making ready for its particular development.

用UML对基于图文法的产品族配置系统进行用例建模、静态建模、动态建模以及编码与部署分析，从而为系统的具体开发做准备。

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System analysis and system design are divided into following processes: system requirement, requirement analysis, the system static modeling, the system dynamic modeling and physical modeling.

系统分析和设计划分为如下过程：系统需求，需求分析，系统静态建模，系统动态建模。

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