Rex also said this winter's decline in ozone doesn't mean that the Montreal Protocol isn't doing its job.
他认为虽然这个冬天臭氧层一直被侵蚀，但并不表示蒙特利尔议定书没有发挥作用。
This last cooling effect is caused by a decline in ozone in the stratosphere which prevents it absorbing as much ultraviolet radiation from the sun above.
最后一项变冷效应是由于平流层臭氧减少所致，而臭氧可抑制平流层从太阳吸收紫外线。
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