电力系统的稳定运行分为(    )

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69459' and id < 4498356 and id<>'4498356' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69459' and id > 4498356 and id<>'4498356' order by id asc limit 5