双向移位寄存器是一种中规模集成电路，可构成移位寄存器型计数器。
Bidirectional shift register is a kind of medium-scale integrated circuits, it can be used to compose various counters conveniently.
双向移位寄存器是一种中规模集成电路，可构成移位寄存器型计数器。
Bidirectional shift register is a kind of medium-scale integrated circuits, it can be used to compose various counters conveniently.
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