| 1. | Acoustic performance of sgrp composite and structure
高强玻璃纤维增强乙烯基酯复合材料及其构件的声性能研究 |
| 2. | Simulating acoustics performance of exhaust noise of single cylinder diesel engine
单缸柴油机排气系统声学性能的仿真 |
| 3. | Road traffic noise reducing devices - non - acoustic performance - general safety and environmental requirements
道路交通噪声降低设备.非声学性能.一般安全和环境要求 |
| 4. | Road traffic noise reducing devices - non - acoustic performance - mechanical performance and stability requirements
道路交通降噪设备.非声学性能.机械性能和稳定性要求 |
| 5. | Road traffic noise reducing devices - non - acoustic performance - part 2 : general safety and environmental requirements
道路交通噪音降低装置.非声学性能.第2部分:一般安全和环保要求 |
| 6. | Road traffic noise reducing devices - non - acoustic performance - part 1 : mechanical performance and stability requirements
道路交通噪音降低装置.非声学性能.第1部分:机械性能和稳定性要求 |
| 7. | Road traffic noise reducing devices - test method for determining the acoustic performance - normalized traffic noise spectrum
道路交通噪音减低装置.测定声学性能的试验方法.标准化交通噪音频谱 |
| 8. | Building acoustics - estimation of acoustic performance of buildings from the performance of elements - sound absorption in enclosed spaces
建筑声学.从元件性能评估建筑物的声学性能.封闭空间吸声 |
| 9. | Road traffic noise reducing devices . test method for determining the acoustic performance . part 3 : normalized traffic noise spectrum
道路交通噪音减弱装置.声性能测试方法.第3部分:正常交通噪音范围 |
| 10. | Road traffic noise reducing devices - non - acoustic performance - part 2 : general safety and environmental requirements ; german version en 1794 - 2 : 2003
降低道路交通噪音的装置.非声学性能.第2部分:一般安 |
