以下为句子列表：
英文: Abstract: By using absorbing Markov chain, this paper studies a professional qualyfications structural system of the teaching staff in a given college, establishes the transition digraph of the system and, by using the trnsition matrix, provides statistic
中文: 文摘:本文应用吸收马尔柯夫链分析了高校教师的职称等级结构系统，建立了系统的状态转移图，并用状态转移矩阵讨论了学校每年应在各等级中如何调整人员数量，才能保持某种理想的职称等级结构的稳定性.
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英文: As an extension of the traditional signed digraph model, layered digraph models make hazard and operability analysis more thorough and systematic, which improves the capability of the expert system in identification of the potential safety hazards in the
中文: 它拓展了传统的有向图模型，从而使危险和可操作性分析的结果更全面、更系统，提高了专家系统全面挖掘化工过程中潜在的安全危险问题的能力。
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英文: To overcome the knowledge representation limitations of the traditional signed digraph model based expert systems for hazard and operability analysis, a novel layered digraph model for automating process hazard and operability analysis is proposed based o
中文: 摘要为克服传统的基于有向图模型的危险和可操作性分析专家系统在知识表达方面的局限性，通过将二维的有向图模型在三维空间的解耦，采用图论的方法，提出了一个可以用于危险和可操作性分析自动化的有向架模型。
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英文: GENERALIZED CELL MAPPING DIGRAPH METHOD FORGLOBAL ANALYSIS
中文: 全局分析的广义胞映射图论方法
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