| 1. | Measurement of electroacoustical characteristics of hearing aids
助听器电声特性的测量方法 |
| 2. | Hearing aids - methods for measurement of electroacoustical characteristics
助听器.电声特性测量方法 |
| 3. | Hearing aids . part 0 : measurement of electroacoustical characteristics
助听器.第0部分:电声特性的测量 |
| 4. | Measurement of electroacoustical characteristics of hearing aids with induction pick - up coil input
具有感应拾音线圈输入的助听器电声特性的测量方法 |
| 5. | Measurement of electroacoustical characteristics of hearing aids with automatic gain control circuits
具有自动增益控制电路的助听器电声特性的测量方法 |
| 6. | Hearing aids - methods for measurement of electroacoustical characteristics of hearing aids with automatic gain control circuits
助听器.第2部分:带自动增益控制电路助听器电声特性测量方法 |
| 7. | Hearing aids - methods for measurement of electroacoustical characteristics of hearing aid equipment not entirely worn on the listener
助听器.第3部分:不完全由听者佩戴的助听设备电声特性测量方法 |
