“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	system of resultants system of river conservancy administrations in ancient China system of roots system of rural five-guarantee household system of San Gong Jiu Qing System of Seal and Commander's Tally system of secret appointment of crown prince system of segmental repair and defense of embankments system of selecting of ficers in ancient China system of separating lending survey from loan review and loan origination system of sets system of shares in enterprises system of signs system of solutions system of special protection of labour for underage worker system of spherical coordinates system of strongly elliptic equation system of strongly elliptic equations system of subgroups system of submanifolds system of subvarieties system of systems system of teacher education system of teacher engagement system of testing and appointment

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