现代操作系统的两个基本特征是 和资源共享。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30160' and id < 2440209 and id<>'2440209' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30160' and id > 2440209 and id<>'2440209' order by id asc limit 5