By applying the theory of system engineering, this paper identifies the primary security engineering activities in the life cycle of information systems.
本文利用系统工程的思想，通过把信息系统安全与系统工程环境相结合，确定了信息系统生命周期中各阶段的主要安全工程活动。
Factors contributing to the uncertainty in safety of anti-slide pile are analyzed with theory of System Engineering and models for anti-slide pile systems are constructed and classified.
针对当前边坡加固工程抗滑桩可靠性计算中存在的考虑因素偏少的问题，提出了抗滑桩体系可靠度的概念及其计算模型。
According to the theory of system engineering, this paper studies and builds an optimum model of energy structure development decision, briefly introduced and the technical indices are given.
采用系统动力学方法，建立一个新的定量分析决策系统模型，给出了关于这一系统模型结构与功能的基本描述；
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