Based on the feedback analysis theory of system Dynamics, a systemic analysis approach named Vertex Weighted Causal Loop Diagram analysis approach is presented in this paper.

基于系统动力学反馈分析理论，提出定性与定量紧密结合的系统顶点赋权因果关系图分析法。

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The diagram of system structure and the simplified program flowchart are given. In addition, the operational curves of both fuzzy control and feedforward feedback control are compared.

最后给出系统结构图和程序流程简图，并将模糊控制运行曲线与前馈-反馈控制运行曲线进行了比较。

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In the paper, we first analyzed the feedback relationship of the model, constructed system flow diagram, and proved validation of the model.

在文中，首先分析了模型中的主反馈关系，构建系统的物质流图和成本结构流图，并证明了模型的有效性。

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