Through monitoring and analyzing, the status quo of environmental noise in Ji Ning city are discussed, and the measures of prevention and control are put forward.
本文通过监测分析描述了集宁市环境噪垢现状，并提出污染防治措施。
This paper is dedicated to my dear Prof. Luo Ji-ning.
谨以此论文献给我尊敬的罗纪宁教授。
This paper is dedicated to my dear Prof. Luo Ji-ning.
谨以此论文献给我尊敬的罗纪宁教授。
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