扩散是去游离的主要形式之一，扩散包括（  ）。 

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69482' and id < 4500388 and id<>'4500388' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69482' and id > 4500388 and id<>'4500388' order by id asc limit 5