噪声——做为国际公害之一,对人们生活和健康的危害日益增大。为了消除这一主要环境污染,各国都在努力寻求防治噪声的方法。目前,世界上已陆续研究出一批防噪声新材料,经试用降低噪声的效果十分明显。噪声吸收包:英国一家公司研制成功了一种噪 Noise - As one of the international hazards, the harm to people’s life and health is increasing day by day. In order to eliminate this major environmental pollution, all countries are striving to find ways to prevent noise. At present, a batch of new anti-noise materials have been developed in the world, and the effect of reducing noise after trial is very obvious. Noise absorption package: a British company successfully developed a noise