| 1. | Electroacoustics - sound level meters - specifications
电声学.声级计.规范
|
| 2. | Electroacoustics - sound level meters - part 1 : specifications
电声学.声级计.第1部分:规范
|
| 3. | Electroacoustics ; specifications for personal sound exposure meters
电声学.个人测声表规范
|
| 4. | Electroacoustics - sound level meters - part 1 : specifications
电声学.声级计.第1部分:规范
|
| 5. | Electroacoustics - specifications for personal sound exposure meters
电声学.个人测声表规范
|
| 6. | Electroacoustics - sound level meters - pattern evaluation tests
电声学.声级计.型式评定试验
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| 7. | Electroacoustics . specifications for personal sound exposure meters
电声学.个人声音暴露计规范
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| 8. | Electroacoustics . octave - band and fractional - octave - band filters
电声学.倍频带和分倍频带滤波器
|
| 9. | Electroacoustics - octave - band and fractional - octave - band filters
电声学.倍频带和分倍频带滤波器
|
| 10. | Electroacoustics - octave - band and fractional - octave - band filters
电声学.倍频带和分倍频带滤波器
|
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