thermal equivalent water noise 水噪声热当量
water-borne noise 水生噪声 ; 水中噪声
water-layer scattered noise 水层散射噪音
water ambient noise 浅水环境噪声
water jet noise 水喷流噪声
water hammer noise 水锤噪声
water falling noise 落水噪声
water droplet noise 水滴噪音
They keep our air clean, reduce noise pollution, improve water quality and provide food and building materials.
他们保持我们的空气清洁,减少噪音污染,改善水质,提供食品和建筑材料。
In China, the government is trying to solve not only air and water pollution problems but also noise pollution problems.
在中国,政府不仅试图解决空气和水污染问题,还试图解决噪音污染问题。
Examples range from contamination of the food or water supply, to high levels of air or noise pollution, a chemical accident, a disease outbreak or a natural disaster.
这方面例子的范围包括从食物或水供应的污染,到空气或噪音高度污染、化学事故、疾病暴发或自然灾害。
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