| 1. | 102 db signal - to - noise ratio a - weighting ; analog inputs
类比输入102db噪讯比a加权 |
| 2. | 110 db signal - to - noise ratio a - weighting ; analog outputs
类比输出110db噪讯比a加权 |
| 3. | Standard guide for measurement of outdoor a - weighted sound levels
室外a加权声级测量 |
| 4. | Methods of a - weighted sound pressure level measurement for pumps
泵用加权噪声压强的测量方法 |
| 5. | Rolling bearings - measuring methods of a - weighted sound pressure levels
滚动轴承. a加权声压级的测量方法 |
| 6. | Mechanical presses - methods of measurement of a - weighted sound pressure level
机械压力机. a -加权声压级测量方法 |
| 7. | Fans , blowers and compressors - determination of a - weighted sound pressure level
风扇鼓风机和压缩机.加权噪声压强的测定 |
| 8. | Standard test method for determining a - weighted sound power level of vacuum cleaners
测定真空吸尘器a -加重声音功率级的标准试验方法 |
| 9. | Acoustics - hearing protectors - part 2 : estimation of effective a - weighted sound pressure levels when hearing protectors are worn
声学护听器第2部分：戴护听器时有效的a计权声压级估算 |
| 10. | Acoustics - hearing protectors - estimation of effective a - weighted sound pressure levels when hearing protectors are worn
声学.听力保护器.第2部分:当佩戴听力保护器时对有效a -加权声压级的估算 |
