在判断耦合线圈的磁场影响情况时，须考虑（     ）。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='68474' and id < 4421100 and id<>'4421100' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='68474' and id > 4421100 and id<>'4421100' order by id asc limit 5