测定同步发电机短路特性时，如果转速降低到0.8时，测得的短路特性（   ）

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69467' and id < 4499349 and id<>'4499349' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69467' and id > 4499349 and id<>'4499349' order by id asc limit 5