叠加定理只适用于（）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='32671' and id < 2598880 and id<>'2598880' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32671' and id > 2598880 and id<>'2598880' order by id asc limit 5