由多台分散的计箅机经网络互连而成的系 统是 （ ）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29842' and id < 2421968 and id<>'2421968' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29842' and id > 2421968 and id<>'2421968' order by id asc limit 5