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migrations

美 [ma??ɡre??(?)n]英 [ma?'ɡre??(?)n]

n.迁移；迁徙；移动；徙动
网络移民的日子；迁移类；移民潮

复数：migrations

migrations

英-汉英-英网络释义

migrations

迁移

迁移（Migrations）就像是版本控制（version control）工具，不过，它管理的是数据库范式，并且直接集成在了Laravel中。你 …

迁徙

这种移动叫迁徙（migrations）。温带地区的鸟是因为冬季里食物减少或为躲避寒冷的天气而进行迁徙；热带地区的鸟是因为干 …

移民的日子

威尔斯美语_课程介绍_初阶课程 ... Making Plans. 安排计画 Migrations 移民的日子 Friends and Family 朋友与家人 ...

迁移类

在命令行运营的时候，我们需要执行我们的迁移类（migrations），一个migrations是纪录我们数据库的更改，在开发和部署运 …

移民潮

麻省理工学院“开放式课程网页” |人类学 ... ... 后冷战的新地理划分 The New Post-Cold War Geography 移民潮 (上) Migrations ...

迁移脚本

控制所有迁移脚本 (migrations) 的命名中是否带有序列或者时间戳. 如果有多个开发者开发同一个应用程序，建议使用默认的时 …

迁移中

在你的迁移中（migrations），添加格式如下的内容：class AddAvatarColumnsToUsers < ActiveRecord::Migrationdef self.upad…

例句：

And potential refugee migrations to the United States from the Caribbean region could impact U. S. homeland security , he said.

他说，来自加勒比地区潜在的难民潮有可能影响美国的国土安全。

All seem to be at their peak abundances during their spring (and presumably fall ) migrations (Feb-Mar).

这几种银鸥似乎都是在春过境（二月到三月）时达到数量高峰（推测秋过境也是）。

Ratha, manager of the Bank's Migrations and Remittances unit, says a government should view its diaspora like "an untapped pool of oil . "

世界银行移民与汇款局局长 Ratha 说，政府应将其散居侨民视为 “未开发的石油资源 ”。

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。

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。

The glass wing is also noted for its long migrations and the fact that the males of the species , when about to meet , practice lekking.

玻璃翅也因它长长的迁徙而著称，并且两种雄性要相遇时，就会求偶集会。

Rails will believe the database is up to date , because you already copied over the schema_migrations table .

Rails 将认为数据库是最新的，因为您已经复制了 schema_migrations 表。

Some, like the two Elwha dams , were built without fish ladders, meaning they serve as completely impenetrable barriers to fish migrations.

一些大坝和这两座埃尔瓦河大坝一样在建造的时候缺乏鱼梯设计，就是说它们完全阻碍了鱼群的洄游。

Each year , the Serengeti Plains in Tanzania play host to one of the greatest animal migrations on earth .

每年，坦桑尼亚的赛伦盖蒂平原是地球上上演最壮观的动物迁徙的地点之一。

These migrations are all saved and time-stamped, to make it possible to roll back to previous versions of the data structure .

这些迁移操作都会保存，并加上时间戳，让我们可以回滚到数据库结构的上一个版本。

But nowhere , even in today 's world of mass migrations , is the sheer range of religious faith as wide as it is in the United States .

但是，即使在大规模移民的今天，也没有任何一个地方的宗教像美国这样丰富多彩。

That the Germans were organized in gentes until the time of the migrations is beyond all doubt .

德意志人在民族大迁徙以前，曾组织成为氏族，这是没有疑问的。

Conclusions : The main causes of the failure are the stone migrations , tortuous or narrow ureters and abnormal opening of the ureters .

结论：结石回漂入肾盂、输尿管扭曲或狭窄、输尿管开口异常是手术失败的主要原因。

At peak migrations times , the sky over Mai Po is dark with ducks and waders, harried by the eagles and hawks that hunt them.

在迁徙最忙碌的时候，米埔的上空全是黑压压的鸭子和水鸟，老鹰们纷纷来掠食。

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。

If they are such a reservoir, there is a strong likelihood they will carry the virus with them in subsequent migrations .

如果野鸟是这类寄主，它们将很有可能在随后的迁移行动中携带病毒。

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。

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。

Along with following the lives of several young migrant women , my book also traces my own family's migrations within China and to the West .

除了讲述几个年轻女工的生活，书中也穿插了我的家庭移居中国又迁往西方的过程。

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。

This convention lets Rails associate a strong ordering of migrations .

这个约定让 Rails 可以对迁移实现很强的排序。

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。

In the Arctic tundra , over-population and a scarcity of food sends lemmings on mass migrations at high speeds.

在北极苔原地区，数量过多和食物缺乏导致大量的旅鼠快速迁徙。

The Migration Wizard log contains information about your migration and is used to provide status about your Exchange migrations.

迁移向导日志包含有关迁移的信息，并提供有关 Exchange 迁移的状态。

migrations

migrations

迁移

迁徙

移民的日子

迁移类

移民潮

迁移脚本

迁移中

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