CFCs cause depletion of atmospheric ozone.

氟氯化碳会损耗大气臭氧。

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Ozone sonde is widely used for in situ measurements of atmospheric ozone profiles from ground to 35 km.

臭氧探空仪是一种主要而又直接的探测大气臭氧垂直分布的技术手段。

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The United States National Aeronautics and space administration a research satellite launched in 1991, running for 3 years to study atmospheric ozone level mission.

美国航空航天局1991年发射这颗研究卫星，执行为期3年研究大气臭氧水平的使命。

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Dr Sherwood Rowland, who won a Nobel Prize for his studies of atmospheric ozone, said the consensus of scientific opinion on climate change was being ignored.

BBC: NEWS | Science/Nature | US scientists tax Bush on climate

Ozone is a protective atmospheric layer found at an altitude of about 25 kilometers (15.5 miles).

CNN: Ozone hole grows in 2008

Already, atmospheric scientists have detected reductions in atmospheric concentrations of a number of ozone depleting chemicals, a positive sign that the 1985 Montreal Protocol to reduce Cfc emissions is working.

BBC: News | Sci/Tech | Ozone hole reaches record size