同步发电机进相运行时，静态稳定性（   ）。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69444' and id < 4497167 and id<>'4497167' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69444' and id > 4497167 and id<>'4497167' order by id asc limit 5