| 1. | A hearing aid helps to overcome defects in hearing .
助听器有助于克服听觉缺陷。 |
| 2. | One remarkable use for transistors is in hearing aids .
晶体管的一项特别引人注意的应用是在助听器方面。 |
| 3. | It is possible today to have hearing aids which help greatly in overcoming loss of hearing .
现在已能使用助听器，这对于克服听觉损伤大有裨益。 |
| 4. | Nearly all hearing aids now manufactured make use of transistors, and are much the better for it .
目前制造的助听器差不多全都使用晶体管，而且这样更好。 |
| 5. | They can be used in devices for which vacuum tube valves were unsuitable, such as in hearing aids designed to fit into the ear .
它们能用在不宜采用真空管的装置上，例如能用在放在耳朵内的助听器里。 |
| 6. | Hearing aids . part 5 : nipples for insert earphones
助听器.第5部分:塞入式耳机塞头 |
| 7. | Discussion on the hearing aid fitting for deaf children
怎样为聋儿验配好助听器 |
| 8. | A . ask client to remove hearing aid and close eyes
嘱受检者取下助听器，闭眼。 |
| 9. | Observation of hearing aid effect on 174 deaf children
174例聋幼儿助听效果动态观察 |
| 10. | Testing hearing aids with a broad - band noise signal
助听器的宽带噪音信号测试 |
