2019年，我国知识密集型服务出口额占服务出口额比重:

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31919' and id < 2552199 and id<>'2552199' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31919' and id > 2552199 and id<>'2552199' order by id asc limit 5