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问题详情

根据VHDL语法规则，下面哪个标识符是非法的标识符

A、not—Ack

B、constant

C、FFT_1024_1

D、state0

时间：2021-07-17 23:25 关键词：机械制造与自动化高起专 PLC原理 2019级第三学期期末考试

答案解析

B

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