当异步电动机转速大于旋转磁场的转速时，处于（   ）状态。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69469' and id < 4498969 and id<>'4498969' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69469' and id > 4498969 and id<>'4498969' order by id asc limit 5