The first chapter introduces the related treaties of the field of the ozone layer protection.
第一章介绍了臭氧层保护领域的有关条约。
How many people know that 16th, September of every year is the International Ozone Layer Protection Day?
有多少人知道，每年的九月十六日是国际臭氧层保护日？
This paper introduces about the cleaning technology and non-ODS cleaning materials of the electronics components, resulting in protection of the ozone layer.
本文介绍电子元件的清洗工艺与非耗臭氧清洗材料的选择，以便达到保护臭氧层的目的。
The report is the first comprehensive update in four years on the Vienna Convention for the Protection of the Ozone Layer and the Montreal Protocol.
该报告是四年来首次对《保护臭氧层维也纳公约》和《蒙特利尔议定书》的全面更新。
Protection of the Ozone Layer is a recent history of global cooperation is a typical example.
臭氧层保护是近代史上一个全球合作十分典型的范例。
Thirty years ago, the international community signed the Vienna Convention for the Protection of the Ozone Layer.
30年前，国际社会签署了《保护臭氧层维也纳公约》。
Thirty years ago, the international community signed the Vienna Convention for the Protection of the Ozone Layer.
30年前，国际社会签署了《保护臭氧层维也纳公约》。
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