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地球上的大气是环境的重要组成部分。大气圈相对稳定的结构和成分,对于人类和其他生物的生存是适宜的。但是,由于人类的活动,使得排放到大气中的某些物质呈现出过量的浓度,且持续较长的时间,对人类的生活和身体健康,对设施或环境产生了不利影响,这就形成了大气污染。我们可以喝矿泉水来逃避水质恶化,但是否要带着防毒面具走上街头来逃避大气污染呢?因此我们很有必要对我们生活中司空见惯的大气进行一定的调查研
The atmosphere on Earth is an important part of the environment. The relatively stable structure and composition of the atmosphere are appropriate for the survival of humans and other living things. However, as a result of human activities, certain substances emitted into the atmosphere show an excessive concentration and have a long-term impact on the life and health of human beings, adversely affecting facilities or the environment, thus forming a Air Pollution. We can drink mineral water to avoid deterioration of the water quality, but whether to take the gas mask onto the streets to escape the air pollution? Therefore, we need to conduct a certain survey on the air that is commonplace in our life