The positive feedback effect between the traffic demand and the traffic supply makes the road net plan hard to suit the future traffic demand.
交通需求与交通供给之间的正反馈效应，使得路网规划方案难以适应交通需求的变化。
For the system with only positive feedback, we find there is a kind of relationship between the bistability and the effect of the stimulus.
对于仅有正反馈的系统，我们发现其产生可逆性与不可逆性双稳与外部激励作用的方式有着密切的关系。
Based on theory of system dynamics, the causal loop diagrams of manpower, technology, money and market flows are analyzed together with positive feedback of industrial agglomeration effect.
以系统动力学理论为基础，结合产业集聚效应的正反馈特征，对人才流、技术流、资金流和市场流的因果关系进行了探讨。
The effect of positive feedback upon control system is disc…
分析了正反馈控制系统的作用。
The effect of positive feedback upon control system is disc…
分析了正反馈控制系统的作用。
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