他们想迁移到气候较温暖的地区。
污染工厂已经被迁移或者关闭。
是什么导致了季风的迁移呢？
这种迁移不能做什么？
在亚洲，是否只有一个或多个移民点向外迁移？
Was there only one outward migration from a single point in Asia, or several from different points?
辅助迁移确实需要这个层次的监督，而且是急需。
Assisted migration really needs this level of oversight, and soon.
保护生物学家们争论的最激进的策略是辅助迁移。
The most radical strategy being debated among conservation biologists is Assisted Migration.
它们中的大多数将不得不迁移到南大洋的孤岛上。
Many of them will have to migrate to isolated islands in the Southern Ocean.
向西部迁移的行为在19世纪30年代达到顶峰。
是否应该采用辅助迁移目前主要是生物学界争议的话题。
Whether to use Assisted Migration, this debate is mostly within the biology community right now.
这些新的特性为种子迁移到新的栖息地提供了更好的途径。
These new characteristics offered better ways for the seed to move to new habitats.
起初，他们控制了兽群的迁移以确保获得稳定的肉食来源。
At first, they controlled the movement of the herd while ensuring continuance of their meat diet.
麦克·劳说：“向外迁移的地区使行星和小行星得以生存。”
"Regions of outward migration allow planets and planetoids to survive, " Mac Low said.
随着撒哈拉沙漠的移动，近期一些文献指出了该地区的季风迁移。
Now as far as the Sahara goes, there is some recent literature that points to the migration of the monsoon in that area.
人们提出的理论是，它们是从附近已经生活过的栖息地迁移过来的。
The theory that has been suggested is that they migrated in from nearby habitats where they were already living.
没有更多的研究，我们无法预测辅助迁移是否适用于某一特定的物种。
Without more research, we can't predict if Assisted Migration will work for any given species.
这一现象表明七星瓢虫在高山地区具有夏季生存能力和垂直迁移能力。
This phenomenon indicates that Coccinella septempunctata survives the summer in the upper mountain area and can migrate vertically.
它已经从底特律迁移到了硅谷，在那里，自动驾驶汽车正在焕发生机。
It has migrated from Detroit to Silicon Valley, where self-driving vehicles are coming into life.
海平面上升了近400英尺，淹没了沿海居住地，迫使人们向内陆迁移。
Sea levels shot up nearly 400 feet, flooding coastal settlements and forcing people to migrate inland.
自从一万年前冰河时代结束，气温回升到北纬地区，许多物种都向北迁移。
Since the Ice Age ended ten thousand years ago and warmer temperatures returned to the northern latitudes, many species have migrated north.
尽管大陆北部允许更多样化的经济存在，一些早期的人类群体很快向南迁移。
Even though the northern part of the continent allowed for a more varied economy, several early human groups quickly moved south.
海尔提到夏季大白鲨沿着美国东岸迁移，而这海岸正是人们海上活动聚集的地方。
Heil mentioned that great white sharks migrated to the east coast of the United States in summer, and this coast is where people gather at sea.
一般来说，进行这种季节性往返迁移是为了寻找在一个地区无法全年获得的资源。
Generally, the reason for such seasonal back-and-forth movement is to seek resources that aren't available within a single area year-round.
人们甚至可以未经许可就对植物或无脊椎动物进行迁移，只要它们未被归类为有害动植物。
People aren't even required to seek permits to move plants or invertebrate animals around as long as they are not classified as pests.
1800年4月24日，国会通过法案，规定将美国政府迁移到新的联邦城市华盛顿特区。
Approved April 24, 1800, the act of Congress that made provision for the removal of the government of the United States to the new federal city, Washington, D.C..
辅助迁移指的是挑选一个物种的成员，或一组相互依赖的物种的成员，并在物理上移动或迁移它们。
Assisted migration means picking up members of a species, or members of a group of interdependent species and physically moving or translocating them.
公司说迁移的费用微不足道。
她的祖父母是在饥荒时期从爱尔兰迁移过来的。
应用推荐