| 1. | Wind turbine generator systems - acoustic noise measurement techniques 风力涡轮发电机系统.噪音测量技术 |
| 2. | Equipment engineering - acoustic noise emitted by telecommunication quipment 设备工程.电信设备产生的噪声 |
| 3. | Acoustic noise specification 声音噪声要求 |
| 4. | Wind turbine generator systems - part 11 : acoustic noise measurement techniques 风轮发电机系统.第11部分:噪音测量技术 |
| 5. | Wind turbine generator systems - part 11 : acoustic noise measurement techniques 风力涡轮发电机系统.第11部分:噪声测量技术 |
| 6. | Cinematography - background acoustic noise levels in the theatres , review rooms and dubbing rooms 电影.影院审片室及混录棚的背景噪声级 |
| 7. | Equipment engineering - acoustic noise emitted by telecommunications equipment ; english version ets 300753 : 1997 设备工程.电信设备产生的噪声 |
| 8. | Wind turbine generator systems - part 11 : acoustic noise measurement techniques iec 61400 - 11 : 2002 ; german version en 61400 - 11 : 2003 风力涡轮机发电机系统.第11部分:噪音测量技术 |
| 9. | Significant torque ripple , vibration and acoustic noise are the main drawbacks of the srm to achieve higher performance 开关磁阻电动机的最重要的缺点就是转矩脉动,它直接影响着驱动系统的输出性能。 |
| 10. | The the room volume is 1512 m3 , bottom acoustic noise is lower than 18db , and the testing system is from b k company of danmark 消声室容积1512立方米,本底噪声低于18分贝,采用丹麦b k公司的检测仪器。 |