继电保护动作速度愈快愈好，灵敏度愈高愈好。（   ）

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69391' and id < 4491800 and id<>'4491800' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69391' and id > 4491800 and id<>'4491800' order by id asc limit 5