bird migration

Here is a graph that charts how far a bird flies during the first Five days of its spring migration ( See Graph 2).

此图显示了一只鸟在春季迁徙前五天的飞行距离（见图2）

bird migration "revolution"

鸟类迁徙“大革命”

the bahraini ornithologist blog bahrain obs posts pictures and gives an update on bird migration.

巴林鸟类学博客BahrainObs张贴鸟类迁徙的照片与更新消息

Khanka wetland is the biggest passage in northeast Asia for bird migration.

兴凯湖湿地是东北亚最大的候鸟迁徙通道，也是迄今为止中国惟一的一个国际性自然保护区。

the story of bird migration is the story of promise - a promise to return.

影片的第一句话是：候鸟迁徙的故事就是承诺的故事——承诺回归。

working out bird migration patterns was one of the triumphs of natural history.

找出鸟类迁移规律才是自然学史上无数可嘉可贺的成就之一。

the field of bird migration is currently going through a revolution, and these are certainly very exciting times for us.

鸟类迁徙领域正在进行着一场革命，对于我们来说，这也是激动人心的时刻。

for example, a hypermedia presentation on navigation might include links to astronomy, bird migration, geography, satellites, and radar.

例如，有关导航超媒体演示可以包括天文、鸟类移栖、地理、卫星以及雷达等链接。

these facts have intense effects on bird migration and crop production.

这些现象都对鸟类的迁徙和庄稼的产量有着强联的影响。

klaassen says so little is known about bird-migration strategies that he wouldn't be surprised if the great snipe's record is broken soon.

克拉森说，因为我们对鸟类迁徙的策略知之甚少，因此当沙锥鸟的记录很快被打破时他也不会很惊讶。

This line graph is a quick, visual way to tell the reader about the bird's migration.

要告诉读者关于鸟迁徙的事情，线状图是一种快速、直观的方式。