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净移民
1、winged migration───有翼迁徙
2、migration───n.迁移；移民；移动
3、epimere migration───表皮毛迁移
4、net purchases───[贸易]进货净额；进料净额；购买净额
5、ascarid migration───蛔虫迁移
6、westward migration───西迁
7、net───v.净赚；用网捕；（巧妙地）捕获，得到；（将球）踢入球门；用网覆盖；使（某人）获得（利益、收入）；（计算时）扣除……（以得出净额）；adj.纯的；最后的；原价的；（重量）净的；（高尔夫球得分）净得的；n.网；有专门用途的网；球门网；球网；网络 (Internet)；（板球）练球场；（板球）一次练球；捕鱼总量；网眼织物；陷阱；候选人的选择面；adv.净地；净赚地；n.(Net)（俄）内（人名）
8、bufflehead migration───巴福尔黑德迁移
9、bluethroat migration───蓝喉迁徙
1、Let us take a medium-sized, western economy with no major population change and negligible net migration or other problems.───让我们以一个中型规模的西方经济为例。在这个经济体中，不存在重大人口变化或其它问题，净移民数额很小。
2、The UK`s Home Office intends to tighten visa regulations for international students to reduce the country`s annual net migration and cope with high domestic unemployment.───为减少本国每年净移民人数，应对国内居高不下的失业率，英国内政部计划提高留学生签证的门槛。
3、It is likely that net migration will fall a bit as government measures are fully implemented.───随着政府全面实施各项措施，净移民数很可能会略微下降。
4、Ireland was particularly attractive during its banking and building boom. But in 2009 its net migration was negative.───爱尔兰在其银行与建筑业繁荣时很具吸引力，但2009年其移民国外人数超过了移入人数。
5、He also says that linking the cap on non-EU inflows to net migration leaves policy subject to fluctuating trends in emigration.───他还表示，将针对非欧盟员工流入的限制与净移MinLian系起来，会让政策受制于不断变化的移民趋势。
6、As a consequence of improved economic performance in recent years there has been a significant increase in net migration.───近几年随着经济状况的改善，净移入人口数量有显著增加。
7、Learn about the ASP to ASP. NET Migration Assistant and how this application can help you migrate your applications from ASP to ASP. NET.───学习ASP到ASP.NET迁移助手的内容，以及此应用如何帮助您将自己的应用程序从ASP迁移到ASP.NET平台上。
8、Net migration from eastern European countries, which reversed when Britain's economy collapsed, is rising sharply again, points out Carlos Vargas-Silva of Oxford's migration Observatory.───来自牛津大学移民观察的Carlos Vargas - Silva指出，尽管英国经济衰退，来自东欧国家的净移民数却又一次激增。
9、Data released in November showed 577,000 immigrants arrived in Britain in 2007, 14,000 fewer than the year before (although emigration fell faster, lifting net migration).───十一月发布的数据显示，2007年有五十七万七千移民来到英国，比2006年少一万四千(虽然移民减少，但纯移民增加)。
1、Figure 4.2 Net migration to the South from the rest of Great Britain, 1971-86.
2、During the 1950s the population of the South-East went up by 1.13 million, with a net migration gain of 438,000.