判断同步发电机并列运行静态稳定性的实用判据是(  )。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69515' and id < 4503502 and id<>'4503502' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69515' and id > 4503502 and id<>'4503502' order by id asc limit 5