外贸依存度是指一定时期一个国家或地区的（    ）占其GDP的比重

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='53493' and id < 3375656 and id<>'3375656' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='53493' and id > 3375656 and id<>'3375656' order by id asc limit 5