为了电流保护在双电源电网或单电源环网中不发生误动作，采取的措施是()。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69548' and id < 4506986 and id<>'4506986' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69548' and id > 4506986 and id<>'4506986' order by id asc limit 5