| 1. | Acoustics - determination of sound power levels of noise soures - engineering methods for small , movable sources in reverberant field - part 1 : comparsion method for hard - walled test rooms 声学声压法测定噪声源声功率级混响场中小型可移动声源工程法第1部分:硬壁测试室比较法 |
| 2. | Acoustics - determination of sound power levels of noise sources - engineering methods for small , movable sources in reverberant fields - methods for special reverberation test rooms 声学.噪声源的声功率级测定.在混响场中对可移动声源的工程测量方法.用专用混响试验室的测量方法 |
| 3. | Acoustics - determination of sound power levels of noise sources - engineering methods for small , movable sources in reverberant fields - comparison for hard - walled test rooms 声学.噪声源声功率级的测定.在混响声场中小声源和移动声源的工程测量方法.第1部分:硬墙试验室的比较分析法 |
| 4. | Acoustics - determination of sound power levels of noise sources - engineering methods for small , movable sources in reverberant fields - part 1 : comparison method for hard - walled test rooms 声学.测定噪声源的声功率级.混响场内小型可移动声源的工程法.第1部分:硬壁试验室中的比较法 |
| 5. | Acoustics - determination of sound power levels of noise sources - engineering methods for small , movable sources in reverberant fields - part 2 : methods for special reverberation test rooms 声学.声压法测定噪声源声功率级.混响声场中小型可移动声源的工程检测法.第2部分:专用混响试验室法 |
| 6. | Acoustics . determination of sound power levels of noise sources . engineering methods for small , movable sources in reverberant fields . part 1 : comparison method for hard - walled test rooms 声学.噪声源声强级的测定.混响声场中小声源和移动声源的工程测量方法.第1部分:硬墙试验室的比较分析法 |
| 7. | Acoustics - determination of sound power levels of noise sources - using sound pressure - engineering metheds for small , movable sources in reverberant fields - part 2 : methods for special reverberation test rooms 声学声压法测定噪声源声功率级混响场中小型可移动声源工程法第2部分:专用混响测试室法 |
| 8. | Acoustics . determination of sound power levels of noise sources using sound pressure . engineering methods for small , mowable sources in reverberant fields . part 2 : methods for special reverberation test rooms 声学.使用声压法对噪声源声强级的测定.混响声场中小声源和移动声源的工程测量方法.第2部分:特殊混响试验间用方法 |