北极的

Investigation and comparison of pollen grains have been made for four genera of Compositae from Tibet and Barrow, Arctic, namely Artemisia L., Erigeron L., Saussurea DC., and Senecio L..

对西藏和北极巴罗地区菊科4个属（蒿属、飞蓬属、风毛菊属和千里光属）17个种的花粉形态进行了光学和扫描电子显微镜的观察、比较。

Finding the North Pole was "rather like stepping on the shadow of a bird hovering overhead."

寻找北极就象"脚踏在头顶上盘旋的鸟的影子"。

There are some superbly crafted scenes—Beard putting on his snowsuit on his way to the North Pole, Beard stealing a packet of crisps—all of which will please those who believe Mr McEwan is best at writing short fiction.

有几场精心打造的壮丽场景——比如，比尔德穿着防雪外套奔赴北极，顺手牵羊偷薯条等——无不让那些认为麦克尤恩擅长写短篇小说的人津津乐道。

Winters within subarctic climates include up to six months of temperatures averaging below 0 °C (32 °F).

亚北极气候区的冬季，在长达半年的时间里平均气温都在 0 °C (32 °F)以下。

He and a fellow adventurer walked from Russia to the North Pole in the sunless winter.

在二○○六年，侯恩迄今最大的挑战出现了，当时他和另一位冒险家同伴，必须在暗无天日的冬季从俄罗斯步行到北极。

The Arctic Tern is currently the animal with the longest migratory path out of all animals.

北极燕鸥是目前已知的动物中迁徙路线最长的一种动物。

Fix a super intense magnet at the north pole of the terrestrial globe, the top of the terrestrial globe is the magnetic field controller which senses the distance between the terrestrial globe and the controller through the sensor; when the distance becomes shorter, the controller will automatically reduce the magnetic field; on the other hand, when the distance becomes greater, the controller will automatically increase the magnetic field and, in this way, guarantee a certain distance between the terrestrial globe and the controller.

在地球仪的北极固定一个超强磁铁，地球仪上面是磁场控制器，通过传感器感知地球仪与控制器的距离。

Pytheas claimed that Thule was six days north of Britain, and that the midsummer sun never set there.

皮西亚斯声称北极之地离英国北部有六天时间的距离，仲夏的太阳从不在那里下山。

I lie in a shady place like this, and think of adventurous spirits going to the North Pole, or penetrating to the heart of the Torrid Zone, with admiration.

我躺在在阴凉的地方，这一点，并且认为冒险精神去北极，或穿透心脏的热带地区，与钦佩。

Some say the Arctic begins where the trees end, yet the tree line is whimsical.

有人说，北极起于树的终端，，而树线是反复无常的。

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。