求翻译：我国政府在扩大进口方面，主要采取了三个有效的措施：第一优化进口结构，积极进口先进技术和关键装备，鼓励增加自主要贸易顺差国进口。第二是推进进口便利化，继续简化和放宽进口管理，减少进口关节和手续。第三是完善进口促进和预警体系，开展进口贸易促进活动，举办好广交会等各类进口商品展览会、博览会、推介会等。今年秋季广交会，美国、日本等国家的企业分别参加进口展，推动中外经贸合作交流，有利于促进进口。是什么意思？

Our government in the expansion of imports, to take three measures: first optimize our import mix and actively import advanced technology and key equipment, to encourage increased imports from the major surplus countries. The second is to promote the import facilitation, and continue to simplify and

My Government in terms of imports, mainly expanding to three effective measures: the first optimization inlet structure and import advanced technology and key equipment, and to encourage an increase in the import trade surplus country. The first 2 is convenient, and imports continue to streamline an

My Government with regard to