migration造句
1. Swallows begin their migration south in autumn.
2. During the last recession, migration to the sunbelt accelerated.
3. Migration into the cities is putting a strain on already stretched resources.
4. There was a mass migration of poverty-struck farmers into the cities.
5. Scientists have studied the migration of fish over long distances in the river.
6. It was a time of great migration.
7. A high dam would end their migration, irrevocably.
8. Both emigration and internal migration became increasingly controlled.
9. The most obvious limitation on migration was geographical.
10. In the former the tectonic movement and the migration of troughs is to the south and southwest.
11. There is no migration in the pup following infection by this route.
12. Demographic distortions created by migration have tended to confirm this image.
13. This results chiefly from age-selective migration from London, but also bears witness to the North-South movement of labour.
14. Around that time there was an eastwards migration of peasants into the territories east of the Elbe.
15. They recall our travels and migration, they recall great hunters, they are the notes and music of our songs.
16. Whether the investors are prepared to support the migration to software remains uncertain.
17. The sky was turning violet-dark, and a migration of cars with red taillights flew past us like flocks of cardinals.
18. But collectively their mass migration is ruining the country's development prospects.
19. It is instinct that tells the birds when to begin their migration.
20. So in Savoy, as in the county of Nice, the natural complement to pastoralism was seasonal migration.
21. While a great deal has been written about railways in migration, little notice has been taken of the role of the railway station.
22. The surplus recorded in the parish register must have been lost through migration to other places.
23. Death is one of two things. Either it is annihilation, and the dead have no consciousness of anything; or, as we are told, it is really a change: a migration of the soul from one place to another.Socrates
24. In this respect, local public goods represent an intermediate case where exit is indeed possible via migration.
25. You can see why it is important to have back the scrolls, which passed down our migration routes for generations.
26. Before the rise of open systems there were five factors which precluded migration to Unix, he argues.
27. One form of black response to the fraud and violence in the South was a substantial migration of blacks northward.
28. The Bay Area has its own terns, seven species that nest or winter here or pass through in migration.
29. There must now be an independent review of the approach to migration and displacement.
30. If desertification continues to spread, the dust bowl will not only undermine the economy but also trigger a huge migration eastward.
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