A.4x+2y-z=0 B.4x-2y+z+3=0 C.16x+8y-16z+11=0 D.16x-8y+8z-1=0

A.4x+2y-z=0 B.4x-2y+z+3=0 C.16x+8y-16z+11=0 D.16x-8y+8z-1=0

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A.1 B.cp C.脉冲信号,频率为时钟脉冲频率的1/2 D.0

A.1 B.cp C.脉冲信号,频率为时钟脉冲频率的1/2 D.0

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