urban area traffic control
urban area traffic control
市区交通管制
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The present status quo of traffic noise pollution in the urban area of Kaifeng was investigated, and some of related control measures for urban traffic noise were proposed.
对开封市区主要交通干道进行了布点监测，分析评价了主要干道交通噪声污染的现状及其成因，并提出了噪声污染的有关防治对策。
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