您要查找的是不是：
- noise polluted signal 噪声污染信号
- The noise pollution reached a high decibel level. 噪音污染达到了很高分贝。
- Noise pollution does harm to people's health. 嗓音污染有害于人体健康。
- We must abate the noise pollution in our city. 我们必须消除我们城里的噪音污染。
- Noise pollution is at its worst in densely populated areas. 在人口密集的地区噪音污染的影响最糟。
- Most of the cities were affected by light noise pollution. 多数城市受到轻度噪声污染。
- He wants to live in a small town free from noise pollution. 他想住在一个没有噪音污染的小镇。
- Noise pollution and trash problem are always troubling us. 噪音污染和垃圾问题一直困扰著我们。
- Noise pollution, for instance, is an extension of air pollution. 比如，噪音污染，便是空气污染的一种延伸。
- Noise pollution has gravely affected people's health. 噪声污染严重影响人的身体健康。
- There are substantial fines for exceeding permitted levels of noise pollution. 噪声超过标准要课以重罚。
- Air and Noise Pollutions are the two deadly factors in karting sport. 空气和噪音污染问题是令小型赛车运动没落的重要因素;
- Air pollution and noise pollution caused by automobiles do harm to our health. 由汽车引起的空气和噪音污染对我们的健康造成了危害。
- The model synthesises factors of nature and noise pollution in city. 该模型综合了城市自然因素和噪声污染因素。
- A red light is usually a signal of danger. 红灯通常是危险的信号。
- The noise pollution survey revealed a rather surprising and possibly amusing old fashioned source of noise. 这个有关噪音的污染调查还揭示了一种出人意外而同时可能会引人意外而同时可能会引人发笑的老式噪音源。
- Is the water polluted at source or further downstream? 河水是在源头还是在流出之後受到污染的？
- The atmosphere of the city is very much polluted. 那个城市的空气受到严重污染。
- Polluted air hangs over the city. 城市上空被污染的空气所笼罩。
- It was not until knowing the fact that we began to realize the danger of noise pollution. 直到了解了这些事实,我们才认识到噪音污染的危害。
