| 1. | Measuring method for environmental noise of urnan area
城市区域环境噪声测量方法 |
| 2. | What are the common types of environmental noise
常见的环境噪音有哪几类？ |
| 3. | Acoustics - measurement method of environmental noise
声学环境噪声测量方法 |
| 4. | Impulse sound propagation for environmental noise assessment
环境噪声评定用脉冲声响传播 |
| 5. | Acoustics - description and measurement of environmental noise
声学.环境噪音的描述和测量 |
| 6. | Monitoring and analysis of environmental noise
环境噪声监测与分析 |
| 7. | Acoustics - impulse sound propagation for environmental noise assessment
声学.环境噪声评估用脉冲声音传播 |
| 8. | Environmental noise young version
环境噪音青少年网站 |
| 9. | Type of environmental noise sources
环境噪音音源类别 |
