以下能够将模拟信号与数字信号互相转换的设备是（ ）

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='27170' and id < 2251163 and id<>'2251163' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27170' and id > 2251163 and id<>'2251163' order by id asc limit 5