atmospheric ozone layer

常見例句

Once photosynthesis had raised atmospheric oxygen levels high enough, the ozone layer formed, meaning that it was then possible for living things to venture onto the land.
一旦光合作用上升了大氣氧氣成水平足夠高，臭氧層被形成，意味，它是然后可能為生存事冒險土地。
However, its harmful effect to the atmospheric ozone layer has been deeply concerned by the international society. Much research works have been done to seek for the substitutes of them.
但其對大氣臭氧層的破壞作用，已引起了國際社會的高度重視，各國對其替代產(chǎn)品的研究做了大量的工作。
The basic principle of atmospheric ozone layer destruction hy polyurethane blowing agent CFC-11, and various way, developmental trend and economic feature of substitution for CFC-11 were reviewed.
簡述了CFC-11對大氣臭氧層破壞的基本原理，介紹了聚氨酯CFC-11替代的不同途徑及發(fā)展趨勢，評價了CFC-11替代的經(jīng)濟(jì)特性。