UPS工作方式分为后备式和（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29463' and id < 2399355 and id<>'2399355' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29463' and id > 2399355 and id<>'2399355' order by id asc limit 5