tundra

By the end of August the breath of winter returns , and by mid-September the tundra is white again .

到8月底，冬天的气息又返回来了，到了9月中旬这冻土带又是冬天了。

into desert lands , into jungles , into the Ice Age tundra of Siberia -- tough , tough environment -- into the Americas , into Australasia .

进入到沙漠，进入雨林，进入西伯利亚冻土带--艰苦，艰苦的环境中--进入美洲，澳洲。

The Tundra Times , a weekly newspaper in Alaska , ceased publication this week .

阿拉斯加的周报《苔原时报》本周停刊了。

There is a large amount of methane gas under the Siberian tundra .

西伯利亚的冻土地带之下有大量的甲烷气体。

They just chomp on tundra , nap a few hours and feast again .

它们只是在苔原上大嚼特嚼，睡上几小时，接着再吃。

Extraction of Remote Sensing Information of Environment in High Tundra and Arid Area

高寒干旱地区环境遥感信息提取方法研究

Changed the class attribute value of the tag to tundra .

将标签的类属性值更改为tundra。

Oil from beneath the tundra is very important to the nations ' development .

来自冻土带下面的石油对美国的发展至关重要。

For the first time , large numbers of people were brought into contract with the tundra .

这是破天荒第一次，把一大批又一大批的人送到这里来与冻土带打交道。

How will the life cycles of the tundra be affected ?

那么，冻土带的生活周期会受到什么影响呢？

Work out construction technology schemes for multi-year tundra of Qing-Zang Railway

青藏铁路多年冻土区施工技术方案的制定

And because of the cold temperatures , the tundra has two layers :

而由于气候非常寒冷，苔原有两层：

Wilderness forests give way to arctic tundra in the Far North .

原生森林一直延伸到极远的北方始由极地草原取代。

Tundra is flat land with very little vegetation .

苔原就是植被甚少的平坦地面。

Necessity of establishing monitoring system on multi-year tundra of Qing-Zang Railway

建立青藏铁路多年冻土区工程的监测体系的必要性

The alpine tundra soil on the Changbai Mountain of China

长白山的高山苔原土

Any increase or decrease in the population of one species may affect all other species on the tundra .

任何一个物种在数量上的增加或减少都会影响到冻土带上所有的其他物种。

An analysis on the ecology of alpine tundra landscape of Changbai Mountains

长白山高山苔原的景观生态分析

It is this thin layer of active soil that supports all living things on the tundra .

正是这被太阳晒暖了苏醒过来的薄薄的一层土壤养活着冻土带上的一切生物。

Above the tree line there is a zone that is generally called alpine tundra .

在树木线上有一个区域通常被称为高山冻原。

The arctic tundra is at the top of the world around the North Pole .

北极冻原是指北极点周边的地区，是世界最高的地方。

Observational Research on Physical Processes of Boundary Layer in Tundra and Sea Ice Areas of the Arctic

北极苔原和海冰地区边界层物理过程的观测研究

A brief report on the research of the Changbaishan alpine tundra vegetation (ⅰ)

长白山高山冻原植物的调查研究简报（Ⅰ）

Preliminary exploration on Geologic Route Selection in multi-year tundra of Qing-Zang railway line

青藏线多年冻土区地质选线初探青藏铁路多年冻土区施工技术方案的制定

Swan that nests in tundra regions of the New and Old Worlds .

新旧大陆冻原地区筑巢的天鹅。

These are Tundra Buggies , designed to bring people to polar bears .

这些是苔原车，是研究者用于接近北极熊的交通工具。

Few birds actually live on the tundra .

实际上几乎没有鸟类生活在冻土带上。

Progress of researches on alpine tundra in Changbai Mountain

长白山高山苔原研究的进展&献给中华人民共和国建国50周年

Few plants grow in tundra regions .

苔原地区很少有植物生长。

Long periods of darkness and bitter cold are the major threats to life on the tundra .

长期的黑暗和刺骨的严寒对在冻土带上生活是两大最主要的威胁。