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在北京美术馆的路边有一块牌子,上面的数字在不断跳跃,它就是噪音动态显示板。2002年底,北京的汽车已突破190万辆,而且还在一个劲地增加,由它们带来的噪声已经严重影响了环境。 调查表明,北京的交通噪声平均值一直处在71～72分贝之间,美术馆的噪音动态显示板所显示的正是这个区间的噪音。 作为首都,在全面建设小康社会的各项指标中,噪音污染水平之高是不能容忍的。北京的噪音水平在全国直辖市和省会城市中排名倒数第三,大大高于
There is a sign on the roadside of the Beijing Art Museum, the number above is constantly jumping, it is the noise dynamic display panel. By the end of 2002, the number of cars in Beijing had exceeded 1.9 million and the number of cars in Beijing has been steadily increasing. The noise brought by them has seriously affected the environment. Survey shows that the average traffic noise in Beijing has been between 71 to 72 dB, the noise of dynamic display panel shows exactly the noise of this section. As the capital city, among all the indicators for building an overall well-to-do society, the high level of noise pollution can not be tolerated. Beijing’s noise level ranks third to the bottom among the municipalities directly under the Central Government and provincial capitals, much higher than