电力系统暂态分析可能用到的方法有(  )。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69516' and id < 4503612 and id<>'4503612' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69516' and id > 4503612 and id<>'4503612' order by id asc limit 5