目前电力系统采用较多的负荷静态模型有(    )  

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69463' and id < 4498565 and id<>'4498565' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69463' and id > 4498565 and id<>'4498565' order by id asc limit 5