热稳定短路计算时间由（  ）等几部分构成。 

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69484' and id < 4500576 and id<>'4500576' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69484' and id > 4500576 and id<>'4500576' order by id asc limit 5