当采用间断角原理鉴别励磁涌流时，下列说法正确的是（  ）。（0.5）

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69421' and id < 4494904 and id<>'4494904' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69421' and id > 4494904 and id<>'4494904' order by id asc limit 5