下列哪项不属于3D打印心脏未来需要着力解决的问题?

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31920' and id < 2552271 and id<>'2552271' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31920' and id > 2552271 and id<>'2552271' order by id asc limit 5