发电和用电之间没有必要实时保持供需平衡。(    )

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69410' and id < 4494084 and id<>'4494084' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69410' and id > 4494084 and id<>'4494084' order by id asc limit 5