扩展名为DLL的动态链接文件的特点是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30254' and id < 2447449 and id<>'2447449' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30254' and id > 2447449 and id<>'2447449' order by id asc limit 5