In climate system, there are many positive and negative feedback mechanisms.
在气候系统中,存在着很多的正负反馈机制。
The system used double negative feedback, and the type of control is PI control.
系统采用双闭环负反馈控制,控制类型选择PI控制。
Also economic system and natural system exist a negative feedback.
经济系统与自然系统之间也存在着负反馈关系。
Also economic system and natural system exist a negative feedback.
经济系统与自然系统之间也存在着负反馈关系。
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