题目内容
声像图的纵向分辨力与哪项有关
2022-01-25
A.声阻抗
B.信号的频率
C.组织密度
D.声速的大小
E.以上都不对
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='31794' and id < 2541755 and id<>'2541755' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31794' and id > 2541755 and id<>'2541755' order by id asc limit 5