“ozone depletion”的概念、定义、翻译、参考文献-科学参考

单词	ozone depletion
释义	ozone depletion Encyclopedia 理学〔中层大气化学〕释 ozone depletion臭氧层损耗指20世纪70年代末以来观察到的两个臭氧总量下降的现象。一是地球大气臭氧总量（主要是臭氧层）平稳下降约4%；二是极地平流层臭氧春季大幅下降，后者被称为臭氧洞。除了上述平流层现象外，春季极地对流层中也存在臭氧损耗现象。
随便看	Beijing Summit of the Forum on China-Africa Cooperation Beijing Tai Fang Photographer Beijing Television Art Center Beijing Theatre Museum Beijing Theatrical Costume Factory Beijing Tiananmen Beijing ,Tianjin and Hebei Province coordinated development Planning Outline Beijing-Tianjin-Hebei urban agglomeration Beijing-Tianjin-Hebei Urban and Rural Planning Beijing-Tianjin Intercity Railway Beijing-Tianjin-Tangshan metropolitan area Beijing Times Beijing Times Art Museum Beijing Traditional Folk Arts Troupe Beijing Tsingshang Architectural Decoration Engineering Co.,Ltd Beijing University of Chemical Technology Beijing University of Chinese Medicine Beijing University of Posts and Telecommunications Beijing University of Technology Beijing vernacular dwelling Beijing Wanan Communal Grave Beijing Wanfang Data Co., Ltd. Beijing water conservancy Beijing Waterworks Museum Beijing Western Zhou Yan Capital Site Museum

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