- Time of issue:2019-10-11 00:00:00
A form of interaction between the system and the environment. During the interaction between the system and the environment, the output of the system becomes part of the input, which in turn acts on the system itself, thereby affecting the output of the system. According to the nature of the feedback affecting the output, it can be divided into positive feedback and negative feedback. The former enhances the output of the system; the latter attenuates the output of the system.
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