北极

The expedition encountered many challenges during their exploration to the arctic pole.

在北极探险中，探险队遭遇到了很多挑战。

As to the problem of the time needed for an airplane to start from Beijing,fly over arctic pole,and reach Detroit,this article discusses how much time can be saved in the models that established in the article in comparison with the original flight route.

本文对"飞机从北京出发、飞越北极直达底特律的所需时间，可比原航线节省多少时间"的问题进行讨论，并将航线选择归结为寻求曲面上的最短弧。

Air China has developed on its own the operation management system, integrated satellite telephone system, space data communication system and shortwave wireless system, which made it the first airline company with the super long-distance supervision capacity in the country. In 2004, after the use of shortwave communication systems, the supervision network which has Beijing and Lhasa as the core, covers the Asian continent, the Indian Ocean and Pacific Ocean stretching to the arctic pole area.

国航自行研制开发了运行管理系统，集成了卫星电话系统、空地数据通讯系统和短波无线电系统，使国航成为国内第一家具有超远程监控能力的航空公司，尤其是2004年短波通信系统的投入使用，形成了以北京、拉萨两点为圆心，全方位、全时空、全天候覆盖亚洲大陆、印度洋和太平洋，并延伸到北极区域的监控网络。

I alos went abroad to Sahara Desert in South Africa , the Arctic Circle in North Pole , Sydney Harbour Bridge and Sydney Opera House in Australia, Eiffel Tower and Arc de Triomphe in France, Channel Tunnel under West Pacific Ocean , Big Ben and Tower Bridge in London, New York in the United States of America in North America , and Berlin in East Germany , Bonn in West Germany .

我也出国去了南非的撒哈拉沙漠，北极的北极圈，澳大利亚的悉尼港大桥和悉尼歌剧院，大西洋底下的英法海底隧道，伦敦的大本钟和塔桥，北美洲美国的纽约，东德的柏林与西德的波恩。

And there's a story in a book about it: Besides the wear of iron wagon wheels The ledges show lines ruled southeast-northwest, The chisel work of an enormous Glacier That braced his feet against the Arctic Pole.

关于它一部古籍这样记载：除大石上铁轮马车轧出的道道辙印，突兀的悬崖上条条纹路向八方撑开延伸，这是巨大的冰川留下的杰作它曾把双脚紧紧地蹬在北极上。

According to the science report, as the environment pollution comes worse and worse, the discharge of CO2 is increasing, the temperature is increasing too. If it cannot be improved yet, at the middle age of this century, the iceberg and glacier of the Antarctica and the Arctic Pole will melt because of the "greenhouse effect", at that time, the sea level will rise and even submerge the land which we live on!

据科学家报道，由于现在环境污染严重，二氧化碳排放日益增加，地球气温逐年增高，如果还不得到改善，本世纪中叶，气温问题将引起南北极冰川融化，到时海平面会上升，甚至将淹没我们赖以生存的陆地！

Description: This is the website of Canada's Arctic.

网站描述：这是加拿大的北极的网站。

He said it was a way to defend Canada's interests in the Arctic.

他说这是保卫加拿大在北极地区利益的一种方法。

He will go up to the Arctic Region.

他将到北极地区去。

They are the pioneers of the Arctic.

他们是北极的开拓者。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。