Migrations can instantly show you changes after updates to your database.

更新了您的数据库以后，迁移可以向您即时显示更改。

属类：IT行业-www.ibm.com-

Many have experienced strong net migrations out of the city over the last 20 and 30 years.

很多城市在过去二三十年中经历了大规模的对外净迁移。

属类：中国大陆-www.chinadaily.com.cn-

They're believed to be direct-line descendants of early migrations from Africa.

科学家们认为他们是早期走出非洲原始人的直系后裔。

属类：英汉句库-article.yeeyan.org-

The customer also has additional responsibilities in performing operating system migrations in an SDDPCM environment.

客户也有在SDDPCM环境中执行操作系统迁移的附加职责。

属类：IT行业-www.ibm.com-

Two more common problems also relate to migrations .

另外两个常见问题也与迁移有关。

属类：IT行业-www.ibm.com-

America cannot kick out all its illegal immigrants without undertaking one of the biggest forced migrations in history.

美国若是一棍子将所有非法移民逐出境，那必定是美国历史上最大规模的强迫性迁徙。

属类：英汉句库-www.ecocn.org-

Using this tool, as you will soon see, allows you to perform your AIX migrations without the need for lengthy outages.

您很快就会看到，通过使用这个工具，您的迁移过程将不会导致长时间的服务停用。

属类：IT行业-www.ibm.com-

You can also use High Performance Unload to perform complex system migrations in a few simple steps.

您还可以使用HighPerformanceUnload通过几个简单步骤来执行复杂的系统迁移。

属类：IT行业-www.ibm.com-

Migrations also allow Rails to break the dependence on a relational database vendor.

迁移也允许Rails打破对关系数据库厂商的依赖。

属类：IT行业-www-128.ibm.com-

Migrations combine power and simplicity to coordinate both schema changes and data changes using a wrapping approach.

迁移用包装的方式组合了协调模式变化和数据变化的威力和简单性。

属类：IT行业-www.ibm.com-

If two developers create migrations at the same time, the numbers get confused, and we must intervene manually.

如果两个开发人员同时创建迁移，则编号会出现混乱，所以我们必须手动处理。

属类：IT行业-www.ibm.com-

If your migrations are correct, each migration leaves your database in a consistent state, with no manual intervention.

如果迁移正确，那么每个迁移都会把数据库置于一个一致的状态，不需要手工干预。

属类：IT行业-www.ibm.com-

The two migrations have left their mark in the genes of native people in south-east Asia, Polynesia and Australia.

如今在东南亚、波利尼西亚和澳洲的土著人基因中依然可以看到这两次迁徙留下的痕迹。

属类：英汉句库-article.yeeyan.org-

As you can see in Listing 3, the Rails environment creates not just your model, but also migrations , a test case, and a test fixture.

如清单3所示，Rails环境不仅创建了模型，还创建了迁移、测试用例和测试fixture。

属类：IT行业-www.ibm.com-

With an SVC in your environment, storage migrations (for the AIX administrator) become a thing of the past.

若环境内有了一个SVC，存储迁移（对于AIX管理员）将是很容易的一件事情。

属类：IT行业-www.ibm.com-

To lose the long-distance migrations performed by some species would be a grievous diminution.

失去由某些物种执行的长距离迁徙活动将是令人痛心的衰退。

属类：英汉句库-article.yeeyan.org-

Synthetic data examples show that the image resole obtained by multiple migrations is similar to that from primary migration.

数值模拟表明，多次波偏移能得到和一次波相似的成像结果。

属类：中国大陆-www.ceps.com.tw-

Alongside the more famous migrations of Germans, Italians, Irish and Jews came petty merchants from the fading Ottoman Empire.

随着更多著名的来自于德国，意大利，爱尔兰和犹太移民的到来，大量来自于日渐衰落的土耳其帝国也来到了这里。

属类：英汉句库-article.yeeyan.org-

So migrations deftly handle both schema and data.

所以，迁移既可以轻松地处理方案，也可以轻松地处理数据。

属类：IT行业-www-128.ibm.com-

Their annual migrations face ever greater competition from the expansion of settled communities.

他们每年一次的迁移正面临着前所未有的挑战，因为其他种族的定居范围也在扩大。

属类：英汉句库-www.ecocn.org-

By allowing changes to data, migrations make it much easier to synchronize changes in data and schema that often come together.

通过允许改变数据，迁移大大简化了相关数据和模式的变化的同步过程。

属类：IT行业-www.ibm.com-

Great Migrations : The Lost Herds of Southern Sudan

图集：大迁徙：南部苏丹被人遗忘的动物群落

属类：英汉句库-article.yeeyan.org-

Large-scale human migrations in response to rising sea levels and other climate-induced stresses will impoverish many people.

为了应对海平面上升和其他气候恶化压力而进行的人类迁徙将造成更多人返贫。

属类：英汉句库-article.yeeyan.org-

Figure 1 below depicts the associations between different models in our Team Room after performing the migrations steps above.

下面的图1描述了在执行上面的迁移步骤之后，TeamRoom中不同模型之间的关联。

属类：IT行业-www.ibm.com-

To see more about migrations , see Crossing borders: Rails migrations.

要查看关于迁移的更多内容，请参阅跨越边界：Rails迁移。

属类：IT行业-www.ibm.com-

A given country might want to monitor dust storms, measure rice yields or track population migrations .

一个领先的国家需要检测沙尘暴，测量大米产量，和跟踪人口流动。

属类：英汉句库-www.hjenglish.com-

Some conservation efforts for sharks will focus on newly identified hotspots where sharks congregate during migrations .

一些保护鲨鱼的行动将专注于新近发现的鲨鱼迁徙途路线中的热点区域。

属类：英汉句库-article.yeeyan.org-

Evolving schema independently with migrations

用迁移独立地发展方案

属类：IT行业-www-128.ibm.com-

Because of constant migrations the Xia nationality and the Yi nationality had mixed together in the eastern area in early Xia Dynasty.

由于频繁的人群流动，夏代的东部地区很早就形成夷、夏杂居的局面。

属类：中国大陆-www.ceps.com.tw-

For these reasons, adoption of SOA is driving migrations from point-to-point messaging networks to clustered environments.

由于这些原因，SOA的采用正在推动从点对点消息网络到集群环境的迁移。

属类：IT行业-www.ibm.com-