一种观点认为，这些画是兽群季节性迁徙的记录。
One opinion is that the paintings were a record of seasonal migrations made by herds.
季节性迁徙是另一种逃避方式，特别是对大型哺乳动物或鸟类来说尤为如此。
Seasonal migration is another form of escape, especially for large mammals or birds.
而在下一个十年，全球金融业同样很有可能跟美国说再见。有一种流行的观点认为，这样的行业迁徙将给美国带来灾难性后果。
The next decade may well see an equally dramatic shift in global finance away from the U.S. It is popular to view that shift as a pending catastrophe for America.
本周三公布的一项研究显示，气候变化将迫使从非洲迁徙至欧洲的候鸟再多飞数百英里，对于已经精疲力尽的鸟来说，这可能会带来毁灭性的后果。
Climate change will force bone-weary birds migrating to Europe from Africa to log extra mileage, with possibly devastating consequences, according to a study released on Wednesday.
2006年6月1日，罗马-迁徙野鸟对于高致病性禽流感病毒的远距离传播起到了一定的作用并将继续是病毒蔓延的一个原因。
June 2006, Rome - Migrating wild birds have played and will likely continue to play a role in transporting highly pathogenic avian influenza (HPAI) virus, or bird flu, over long distances.
三年灾难性的大雨之后，这些来自博洛南部落(Borana tribe)，为寻找水草而一年迁徙了几千里的家庭，不约而同地决定在这定居下来。
After three years of disastrous rains, the families from the Borana tribe, who by custom travel thousands of miles a year in search of water and pasture, have unanimously decided to settle down.
受影响最严重的地区包括山区、孤岛、和沿海地区，这些地区限制了动物从其它地区迁徙过来和创造新的栖息地的可能性。
The most affected areas include mountains, isolated islands and coastal areas, which limit the possibilities for animals to migrate elsewhere and create new habitats.
环志是研究鸟类季节性迁徙的重要手段之一，同时也是研究鸟类区系、生态学、形态分类学等的有效方法。
Bird banding is one of the important means to research the seasonal migration of birds, and is an effective method in researching the faunas, ecology and morphology of birds.
迁徙路径的全球性网络掩盖了无严格卫生控制的全球性的家禽交易，这更可能是疾病扩散的机制。
The global network of migration routes seemed to hide the globalisation - without strict health control - of the exchanges of poultry, the more likely mechanism for disease spread.
NG于四年前开始着手游牧性的艺术项目，从一个艺术家驻地迁徙到另一个，以此尝试不同的境遇和生活方式。
Four years ago ng began a nomadic art project, going from one residence to another, in order to experiment all kinds of Spaces, situations, and all kinds of ways of life.
夫妻双方共同负担开销的家庭模式日益增加，使劳动力机动性大大降低，因为要兼顾两种职业，迁徙寻工就更加困难。
The rise of the two-income household has also made workers less mobile than they were: it is harder to move in search of jobs if there are two careers to consider.
国内迁徙自由是指在法律允许的范围内，在享有迁入地居民同等权利保障的前提下，公民所享有的选择、变更居住地的自由。第二部分重点探讨了迁徙自由入宪的必要性和可行性。
Part 1 defines domestic migratory freedom as that in the scope permitted by the law and in the premise of right guarantee, all citizens have the freedom to choose and change residence.
国内迁徙自由是指在法律允许的范围内，在享有迁入地居民同等权利保障的前提下，公民所享有的选择、变更居住地的自由。第二部分重点探讨了迁徙自由入宪的必要性和可行性。
Part 1 defines domestic migratory freedom as that in the scope permitted by the law and in the premise of right guarantee, all citizens have the freedom to choose and change residence.
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