Now, migration is a natural survival strategy.
现在，迁徙是一种自然的生存策略。
They have led some birds to give up on migration.
它们导致一些鸟类放弃迁徙。
Considerations of this sort lead to the development of migration flow.
这类考虑导致了移民流动的发展。
Certain characteristics of American society help to explain this remarkable migration.
美国社会的某些特点有助于解释这种显著的移民现象。
Animal migration, however it is defined, is far more than just the movement of animals.
无论如何定义，动物迁徙都远远不止是动物的移动。
Also known as "Eco" migration.
也称为“Eco”迁移。
Go ahead and run this migration.
运行这个迁移。
Prepare for production migration.
为生产迁移做准备。
评审迁移日志。
Create a migration test environment.
创建一个迁移测试环境。
This is also a migration requirement.
这也是一个迁移要求。
迁移的优先级。
Case Study 5: Test plan migration.
案例研究5：测试计划移植。
Quick recovery from migration failures.
从迁移失败快速恢复。
Every migration project is different.
每一个移植项目都是不同的。
最终的迁移。
没有迁移计划。
Code migration is only part of the answer.
代码迁移只是答案的一部分。
Understand and perform database migration.
了解和执行数据库迁移。
Patterns of migration will certainly change.
迁移模式必将改变。
Understand and perform application migration.
了解和执行应用程序迁移。
Create migration for your new sessions table.
为新的会话表创建数据库迁移。
Prepare for the test migration and clustering.
为测试迁移和集群做准备。
Listing 3 is a sample of the reference migration.
清单3是参考迁移的一个例子。
Perform the actual model migration processing.
执行实际模型移植过程。
Information Lifecycle Management: Data migration.
信息生命周期管理：数据迁移。
The migration process, however, posed a challenge.
但是迁移过程提出了一个挑战。
At this point, you already did the migration task.
此时，您已经完成了迁移任务。
This can be an alternative to end-to-end migration.
这可以作为端到端迁移的一个替代方案。
This map will be used during the actual migration.
在实际转移期间将使用这个映射。
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