大众传播的显著特点之一是单向性强，反馈机制弱。

One of the obvious characteristics of public communication is strong unidirectivity and weak feedback mechanism.

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另外，基于所提出的估计器，本文设计了不依赖非线性系统模型的高阶微分反馈控制器。该控制器稳定性好，鲁棒性强。

Further more, based on the estimator a high order differential feedback controller is designed, which does not rely on the model of the nonlinear system, and has well stability and robustness.

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研究基于强跟踪滤波和反馈综合相结合的多传感器分布式航迹融合算法。

A new multisensor distributed track fusion algorithm is put forward based on combining the feedback integration with the strong tracking Kalman filter.

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The more the receptor gets activated the more feedback it gets to activate.

受体被激活的程度越高,产生的反馈效应就越强

耶鲁公开课 - 生物医学工程探索课程节选