噪音是90年代主要环境问题之一,连道路也开始受到人们的指责,尽管产生噪音的不是道路本身而是交通。 英国公路管理局与水泥工业合作,开发出一种新的筑路材料,用这种新材料筑路,可以使车轮胎接触路面时几乎是压在凸露的粒料表面,这样可以最大限度的降低接触点的噪声,人 Noise is one of the major environmental problems of the 1990s. Even roads are beginning to be blamed on people, not the road itself but the traffic. The British Highway Administration has worked with the cement industry to develop a new road building material that will allow the car to contact the road surface with almost the same pressure on the surface of the embossed pellets, Reduce the noise of the contact point, people