北京的道路交通、空气污染、城市环境正在加紧治理，每天在展示着新的面貌。
Beijing's road traffic, air pollution, urban environment is stepping up efforts to governance, a new display every day in the face.
因其课题而所授于的衔头牵涉到环境工程，这是与道路交通空气污染有关的。
The Habilitation was done in the field of environmental engineering with a thesis dealing with road traffic related air pollution.
道路交通噪声中约有17%的城市属中度污染、49%的城市属轻度污染、25%的声环境质量较好。
The road traffic noise has 17% city to be the moderate pollution, 49% city approximately is the mild pollution, 25% sound environment quality is good.
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