南北极甚至出现了臭氧空洞。
NASA says readings from UARS provided conclusive evidence that chlorine in the atmosphere, originating from human-produced chlorofluorocarbons, is at the root of the polar ozone hole.
美国宇航局称，从uars读取的数据提供了决定性证据，证明人类产生的使大气中的含氯的氯氟化合物是造成极地臭氧空洞的根源。
They have recently been recognized as the dominant source of sea salt aerosol in Antarctica and scientists suspect they may be the main cause of tropospheric ozone depletion during the polar sunrise.
现在这些分子被认为是南极洲海盐浮粒的主要来源。科学家们猜测它们可能是导致南极附近日出时对流臭氧层耗弱的主要原因。
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。
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。
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 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。
Unless the destruction of the ozone layer is stopped, the polar ice caps will melt with terrible consequences.
如果不停止对臭氧层的破坏的话，南北两极的冰冠就可能因融化而带来可怕的后果。
They have recently been recognized as the dominant source of sea salt aerosol in Antarctica and scientist suspect they may be the main cause of tropospheric ozone depletion during the polar sunrise.
最近，冰花被公认为南极洲海盐浮质的重要来源，科学家怀疑，它们可能是极地日出期间对流层臭氧损耗的主要原因。
They have recently been recognized as the dominant source of sea salt aerosol in Antarctica and scientist suspect they may be the main cause of tropospheric ozone depletion during the polar sunrise.
最近，冰花被公认为南极洲海盐浮质的重要来源，科学家怀疑，它们可能是极地日出期间对流层臭氧损耗的主要原因。
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