This paper researches the planning and decision making problem of petroleum mechanical multiproduct enterprises, and establishes the corresponding system model by using systematic dynamic principle.

本文研究石油机械企业多产品生产的规划决策问题，运用系统动力学的原理建立了相应的系统模型。

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The major functions of the DSS system are estate evaluation, fault diagnose, maintenance decision-making, maintenance planning, self-study and maintenance information publish.

该系统具有供电设备状态评估、故障诊断、检修决策、制定检修计划、自学习和企业网站检修信息发布功能。

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The system model consists of three levels, including initial planning, decision making and detail planning.

系统模型由三个层次组成，即初步规划层，决策层和详细规划层。

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This is the system that inhibits impulses and guides decision-making, that encourages long-term planning and delays gratification.

WSJ: What's Wrong With the Teenage Mind?