“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	velocity curve velocity-density reconstruction velocity-density relation velocity determination velocity dispersion velocity-distance relation velocity distribution velocity distribution function velocity distribution law of ideal gas molecules velocity ellipse velocity ellipsoid velocity field velocity-flow relation velocity for erosion and sedimentation control velocity gain guidance velocity gradient velocity-gradient force velocity-gradient tensor velocity hodograph velocity in free space velocity loss coefficient of turbine guide vanes velocity matching velocity measurement velocity measurement of radio navigation velocity measurement quantity

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