集中式适用于（　）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='32360' and id < 2571947 and id<>'2571947' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32360' and id > 2571947 and id<>'2571947' order by id asc limit 5