It has been proved that structure of food chain, immigration and emigration, environment noise can influence the pattern of complex population dynamics.(研究表明食物鏈的結構、種群的遷入和遷出、環境噪音都會對種群的復雜性動態特征產生影響。)

Migration is a generic term used to refer both to immigration and to emigration.(遷移是一個用于有關移入和移出兩者的總名詞。)

He had tried to persuade his brother to join him and Botros, half-tempted, gave emigration a go. But it didn't work out and he returned disillusioned to the mountains.(Gebrayel并沒有遇上什么麻煩，實際上，他成了一個哈瓦那有錢有地位的店主，曾勸其兄botros來古巴和他一起做事，于是Botros抱著試試看的想法移民古巴，但是沒有成功，最終幻滅地回到山里。)

There is very little emigration of immigration of elephants.(很少發生象本身移入移出該公園的事。)

With its complexity, the deformation mechanism and stability study of Badong large slope system is very important to emigration project and geologic hazard control.(三峽庫區巴東斜坡系統復雜，其變形機理與穩定性研究對移民遷建和地質災害防治具有重要意義。)

However, signs are emerging of significant job loss and of growing shortages of productive employment, which are aggravated by the reduction of emigration flows.(然而，已經開始出現大量工作崗位損失和生產性就業短缺不斷增加的跡象，外向移民流動的減少對它們的出現起了推動作用。)

The possibility of emigration may even have beneficial effects on those who choose to stay, by giving people in poor countries an incentive to invest in education.(移民他國的可能性還會對那些選擇留下的人起到積極影響，因為這會鼓勵窮國的人們增加教育投入。)

Emigration in recent years has slowed with economic prosperity, but this province is still a major source of immigrants to North America and elsewhere in the world.(由于近些年隨著國內經濟的繁榮，外移移民的速度降下來，但該省仍是北美及世界各地移民的主要來源。)

Emigration to the West reached a peak in the 1830's.(向西部遷移的行為在19世紀30年代達到頂峰。)

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).(十一月發布的數據顯示，2007年有五十七萬七千移民來到英國，比2006年少一萬四千(雖然移民減少，但純移民增加)。)

Frequent Aspirations and Emigrations of his Soul after God.