| 1. | Where do they think ? - put it on the hydrophone
-他们认为在哪里？ -使用水听器 |
| 2. | Hearing protectors - testing - acoustic test methods
护听器.检验.声学试验方法 |
| 3. | Hearing protectors - testing - physical test methods
护听器.试验.物理试验方法 |
| 4. | Acoustics - low frequency calibration methods of hydrophones
声学水听器低频校准方法 |
| 5. | Measurement method of hydrophone phase consistency
水听器相位一致性测量方法 |
| 6. | Acoustics - calibration of high frequency hydrophone
声学高频水听器校准 |
| 7. | Hearing protectors - safety requirements and testing - ear - plugs
护听器.安全要求和试验.耳塞 |
| 8. | Hearing protectors - safety requirements and testing - ear - muffs
护听器.安全要求和试验.耳套 |
| 9. | Specification for the calibration of hydrophones
水听器校准规范 |
| 10. | The demodulation techniques for sagnac interferometer based hydrophone
干涉型水听器的信号解调技术 |
