关于点电荷的下列说法中哪些是正确的（  ）

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='16630' and id < 1396370 and id<>'1396370' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='16630' and id > 1396370 and id<>'1396370' order by id asc limit 5