| 1. | Pure tones of the same intensity but different frequencies do not necessarily produce sensations of equal loudness .
声强相同而频率不同的纯音，未必产生响度相同的感觉。 |
| 2. | Development of auditory pure tone , brief tone stimulator with dds
短纯音刺激器研制 |
| 3. | Pure tone is a sine wave
纯音是正弦波。 |
| 4. | Acoustics - pure tone air conduction threshold audiometry - for hearing conservation purposes
声学纯音气导听阈测定听力保护用 |
| 5. | Reference equivalent threshold sound pressure levels for pure tones and supra - aural earphones
压耳式耳机纯音基准等效阈声压级 |
| 6. | What pure tones
多纯的品质 |
| 7. | Acoustics - reference equivalent threshold sound pressure levels for pure tones and insert earphones
声学插入式耳机纯音基准等效阈声压级 |
| 8. | Acoustics - audiometric test methods - basic pure tone air and bone conduction threshold audiometry
声学测听方法纯音气导和骨导听阈基本测听法 |
| 9. | Specification for pure tone air conduction threshold audiometry for hearing conservation purposes
听力保护用纯音色空气传导阈值听力测定规范 |
| 10. | Acoustics . pure tone air conduction threshold audiometry for hearing conservation purposes
声学.为保护听力而进行的纯音空气传导阀值听力测定法 |
