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The Arctic sea ice holds a central position in the Earth's climate system and it's deteriorating faster than expected.

北极海冰在地球气候系统中占据中心位置，并且它恶化的速度比预期的更快。

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But when those from central England are compared with North Frisia, on the German North Sea coast, the "central English and Frisian samples [are] statistically indistinguishable".

但是当那些来英格兰中部的人与德国北部海岸的北弗利兰斯的人比较时，“中部的英国人与弗利兰斯人的样本是几乎相同的”。

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And that is the highest point in Israel, it rises about 10,000 feet above sea level. The central mountain area, those are between 4000 and 10,000 feet above sea level.

那是以色列的最高点，它大约在海平面以上10000英尺，中央的山区，大约在海平面以上4000到10000英尺之间。

耶鲁公开课 - 旧约导论课程节选

If you had to pick a central focus of where the Greeks were, it would be in the Aegean Sea. So that's useful to remember.

如果你要在古希腊寻找一中心位置,那就是爱琴海,所以这很容易理解

耶鲁公开课 - 古希腊历史简介课程节选

In addition, the central California sea otter populations are vulnerable to extinction.

CNN: Oil spill lessons offer hope for sea otters

That said, many of the newly identified deposits are located in the central North Sea or to the west of Scotland, and will require deep-water drilling which is expensive.

FORBES: North Sea Oil and Gas may Provide One Third of Britain's Energy by 2020.

The acquisition is made up of BP's interests in both mature and newly developed projects including Harding (70%), Maclure (37.03%) and Devenick (88.7%) fields in the central North Sea, as well as BP's non-operated interests in the Brae fields complex and the Braemar field.

BBC: BP to raise $1.1bn from North Sea field sale