继电保护（   ）是指在异常情况下，能准确不误动。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69391' and id < 4491773 and id<>'4491773' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69391' and id > 4491773 and id<>'4491773' order by id asc limit 5