Figure 11: Illustration of a system dynamics model.

图11：系统动态模型。

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To search all feedback loops of a system is the basis of system dynamics model analysis.

找到系统中的全部反馈环是系统动力学模型分析的基础。

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Build a system dynamics model of the project including causal loop diagrams and governing equations.

建立该项目的系统动态模型，包括因果环路图和控制方程。

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The essentials of the model, that system dynamics, in reacting to small changes in demand, have a huge detrimental impact on capacity levels, were introduced by Jay Forrester at the Massachusetts Institute of Technology in the 1960s.

ECONOMIST: Pakistan's problems

But in constructing the first atmospheric model that has the orbital dynamics of a star-planet-moon system fully included, astronomers Duncan Forgan, at the Royal Observatory in Edinburgh, and David Kipping, at the Harvard Smithsonian Center for Astrophysics in Cambridge, turn that idea on its head.

FORBES: Earth-Like Exo-Moons Can Lurk Well Beyond Planetary Habitable Zones, Say Astronomers