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【单选题】
在霍尔式电子点火装置中，触发叶轮转动，当叶片进人霍尔元件与永久磁铁之间的间隙时，不产生霍尔电压，集成电路放大器输出级()初级电路。
A.
导通
B.
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【单选题】A new era is upon us. Call it what you will: the service economy, the information age, the knowledge society. It is all translated to a fundamental change in the way we work. Already we've partly been...
A.
the service industry is relying more and more on the female work force
B.
manufacturing industries are steadily increasing
C.
people find it harder to earn a living by working in factories
D.
most of the job opportunities can now be found in service industry
【单选题】CD4028 集成电路是 ______________ 集成电路。
A.
十六进制/十进制译码器集成电路
B.
BCD/ 十进制译码器集成电路
C.
BCD/八进制译码器集成电路
D.
以上都错误！
相关题目：
【单选题】A new era is upon us. Call it what you will: the service economy, the information age, the knowledge society. It is all translated to a fundamental change in the way we work. Already we've partly been...
A.
the service industry is relying more and more on the female work force
B.
manufacturing industries are steadily increasing
C.
people find it harder to earn a living by working in factories
D.
most of the job opportunities can now be found in service industry
【单选题】CD4028 集成电路是 ______________ 集成电路。
A.
十六进制/十进制译码器集成电路
B.
BCD/ 十进制译码器集成电路
C.
BCD/八进制译码器集成电路
D.
以上都错误！
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