南极

In recent years, scientists have found life on Earth in conditions that were once thought too harsh, such as an ultra-acidicriver in Spain and ice-covered lakes in Antarctica.

最近一些年里，科学家们在地球上在曾认为对生命来说过于恶劣的地方已发现了生命，如在西班牙的极强酸性的河流和南极冰雪覆盖的湖泊。

On November 23, the MS Explorer went down in the ice-filled waters it was designed to navigate safely.

12月23日，南极"探险者"号下入结冰的水中，这曾是安全的航海设计。

It's an extreme Big Wall, 750 metres high, altogether more than just vertical, in the iciness of the Antarctica, Alexander Huber describes the challenge.

"这是一种极端的大墙， 750米高，共不仅仅是纵向的，在寒冷的南极"，亚历山大贝尔介绍了挑战。

LCROSS is designed to guide the Atlas 5's spent Centaur second stage to an impact in a permanently shadowed crater near the moon's south pole on Oct.

LCROSS旨在引导阿特拉斯5的花半人马座第二阶段的影响在永久处于阴影火山附近的月球的南极10月9日。

Cover part of the Haworth crater at the moon's south pole and the western rim of Seares crater, an impact feature near the north pole.

这些图像是在2008.11.17得到的，覆盖了月球南极的霍沃斯火山口和西部的Seares火山，接近北极。

The corona's rays flash out in a brilliant fan that has wispy spikelike rays near the Sun's north and south poles.

日冕的光闪现呈扇状，在太阳北极和南极附近有一种飘渺的穗状的光。

The Southern Pole of Inaccessibility is the point furthest away from the Southern Ocean.

难抵点的位置比南极海更远。

But for Irkutsk to the Great Wall Station circuit,there is little relationship between the fading depth and frequency.It seems that the relationship between fading depth and frequency is controlled by the factors such as location,distance etc.

但依尔库茨克－南极长城站电路的衰落深度与频率、时间无关，说明衰落深度与频率、时间的关系还要受距离、位置等因素的影响。

The alignment of the iron particles occurs because each of the iron filings becomes a miniature magnet with north and south poles.

铁粒子排列成线是由于每个铁屑都变成了一个拥有南极和北极的小型磁铁。

In its exploration of Antarctic seas, the figurative haystack, Census researchers found many new species, especially isopod species, represented by only a single animal, the figurative needle, among thousands of specimens collected.

对南极海域的考察就象大海捞针一样，普查的研究者们在所采集的数千样品中发现了许多新物种，尤其是等足类，有时只有一个动物个体。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。