| 1. | There are also instruments known as noise meters which measure this level directly .
还有一些可以直接测出声强级的仪器，叫做噪声计。 |
| 2. | Sound intensity and sound intensity level
声强与声强级 |
| 3. | Acoustics - determination of sound power levels of noise sources - guidelines for the use of basic standards
声学.噪声源声强级的测定.基础标准用指南 |
| 4. | Acoustics - determination of sound power levels of noise sources using sound pressure - comparison method in situ
声学.用声压法测定噪声源的声强级.现场对比法 |
| 5. | Acoustics - requirements for the performance and calibration of reference sound sources for the determination of sound power levels
声学.声强级测定用基准声源的性能和校准要求 |
| 6. | Acoustics - determination of sound power levels of noise sources using sound pressure - precision methods for reverberation rooms
声学.用声压法测定噪声源的声强级.混响室的精确法 |
| 7. | Acoustics . determination of sound power levels of noise sources using sound intensity . part 1 : measurement at discrete points
声学.使用声音强度法测定噪声源的声强级.第1部分:在分散点上的测量 |
| 8. | Acoustics - determination of sound power levels of noise sources using sound intensity - part 3 : precision method for measurement by scanning
声学.使用声音强度法测定噪声源的声强级.第3部分:扫描测量精度法 |
| 9. | Methods for measurement calculation of sound emitted by machinery and equipment at work stations and other specified positions from sound power levels
工作站和其他特定场所机械设备声音排放声强级的测量计算方法 |
| 10. | Acoustics . determination of sound power levels of noise sources using sound prssure . engineering method in an essentially free field over a reflecting plane
声学.使用声压法对噪声源声强级的测定.反射平面上基本无声波场的工程测试法 |
