表示放射源中心到达体表照射中心的距离

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29515' and id < 2400769 and id<>'2400769' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29515' and id > 2400769 and id<>'2400769' order by id asc limit 5