根据骨度分寸法，前发际正中到后发际正中的距离是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30833' and id < 2482968 and id<>'2482968' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30833' and id > 2482968 and id<>'2482968' order by id asc limit 5