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[单选题]
若单位反馈系统闭环系统闭环传递函数为10/(0.1s 1) ,则该系统开环传递函数为_______。


A.10/(0.1s-9)

B.10/(0.1s 9)

C.10/(0.1s-11)

D.10/(0.1s 11)


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