太阳所以成为太阳系的中心天体，最主要的原因是

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='18586' and id < 1595428 and id<>'1595428' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='18586' and id > 1595428 and id<>'1595428' order by id asc limit 5