题目内容
疏波的频率一般为
2021-10-16
A.2~5次/秒
B.3〜6次/秒
C.5~10次/秒
D.10〜15次/秒
E.15〜20次/秒
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='25886' and id < 2172308 and id<>'2172308' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25886' and id > 2172308 and id<>'2172308' order by id asc limit 5