VTˆVTˆˆˆˆ100VTRTRV− 若加入人口迁徙的影响，则可考虑各年度的 净迁徙 （ Net Migration ），令，其中，t和2Nxt分别为女性和男性第t年x岁的净人口迁徙數，。
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Gallup also compiled a list of countries where “net migration” would be strongest by totting up how many desired to emigrate from a given place as well as the number who wished to move there (see chart).
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net migration rate 净迁移率
international net migration 国际净迁移
annual rate of net migration 年净迁移率
the net migration 净迁移人口
Net Migration Rate Between Provinces 跨省净迁移率
Net International Migration 净国际迁移
net overseas migration 净海外移民
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。
As we approach the challenge of getting net migration figures down, it is in my view essential that we look at how we do this in a way that protects the vital interests of our economy.
在减少净移民这个问题上，我认为，选择一个能保障我国经济利益的做法至关重要。
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