The Antarctic ozone hole is more severe this year than ever before, and ozone levels over temperate? Regions are dipping as well.
南极洲臭氧层破洞今年更趋严重，而且温带地区上空的臭氧含量也在下降。
The formation of Antarctic ozone hole is mainly related to the polar stratospheric clouds and the processes of heterogeneous chemistry.
南极臭氧洞的形成与南极平流层云及其非均相化学过程有很大关系。
However, CFCs can persist for decades in the stratosphere-the Antarctic ozone hole is still there, though it's expected to grow smaller in coming decades.
然而，氯氟烃可以在同温层停留数十年，南极臭氧空洞就一直存在，虽然专家预计这个空洞会越来越小。
We reversed our first man-made global atmospheric crisis by banning chlorofluorocarbons -- by 2015, the Antarctic ozone hole will have shrunk by nearly 400, 000 square miles.
我们通过禁止含氯氟烃安然度过了第一次人为的全球大气危机——到2015年，南极臭氧空洞的面积将缩小近400,000平方英里。
The discovery of the antarctic ozone hole and the effect of chlorofluoro-hydrocarbons upon the formation of the ozone hole has already brought great attention of all the nations all over the world.
南极臭氧空洞的发现及氯氟烃在形成臭氧空洞中所起的作用，已经引起世界各国的高度重视。
The ozone layer outside the polar regions is projected to recover to pre-1980 levels by 2048, although the annual springtime ozone hole over the Antarctic is not expected to recover until 2073.
尽管每年春季出现在南极洲上空的臭氧空洞预计要到2073年才能恢复，但是极地以外地区的臭氧层预计到2048年就可以恢复到1980年以前的水平。
The ozone layer outside the polar regions is projected to recover to pre-1980 levels by 2048, although the annual springtime ozone hole over the Antarctic is not expected to recover until 2073.
到2048年，极地地区外的臭氧层将恢复到1980年以前的水平，但每年春季出现的南极臭氧层空洞要在2073年才能得到恢复。
Thee ozone layer outside the polar regions is projected to recover to pre-1980 levels by 2048, although the annual springtime ozone hole over the Antarctic is not expected to recover until 2073.
尽管每年春季出现在南极洲上空的臭氧空洞预计要到2073年才能恢复，但是极地以外地区的臭氧层预计到2048年就可以恢复到1980年以前的水平。
The global change appears to affect the Arctic and Antarctic regions such as the events of ozone hole in the Antarctic atmosphere and north moving of permafrost zone in the Arctic region.
同时，南极上空臭氧空洞的出现，北极地区冻土带的北移等都表明全球变化也在明显地影响着两极。
Since the discovery of Antarctic springtime ozone hole in 1985, there has been much international attention focused on the possible consequences of significant decreases of total ozone.
自1985年发现南极春季臭氧洞以来，对于臭氧大幅度减少所引起的可能后果与危害引起了国际关注。
Scientists have disclosed further details about a giant hole in the protective Ozone layer above the arctic. It matched the size of those found regularly over Antarctic .
科学家透露更多关于北极具保护性的臭氧空洞问题，面积相当于南极的空洞。
Scientists have disclosed further details about a giant hole in the protective Ozone layer above the arctic. It matched the size of those found regularly over Antarctic .
科学家透露更多关于北极具保护性的臭氧空洞问题，面积相当于南极的空洞。
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