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臭氧层损耗
释义
臭氧层损耗
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。
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value of a polynomial
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value of controlling interest
value of division
value of educational policy
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value of expectation
value of fisheries
value of knowledge
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value of life
value of mining right
value of order 1
value of order k
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value of statistical life
value of teacher education
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value of water resource
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