| 1. | Audiometers - equipment for extended high - frequency audiometry 听力计.第4部分:延展的高频声学设备 |
| 2. | Audiometers - part 4 : equipment for extended high - frequency audiometry 听力计.第4部分:高频声学设备 |
| 3. | Standard practice for use of sealants in acoustical applications 声学设备中密封料使用的标准实施规范 |
| 4. | The amplitudes of the partials produced by most acoustic instruments vary through their duration 由大多数声学设备产生的分音振幅在声音持续其间变化。 |
| 5. | Audiometers - part 4 : equipment for extended high - frequency audiometry iec 60645 - 4 : 1994 ; german version en 60645 - 4 : 1995 听力计.第4部分:高频声学设备 |
| 6. | As has been already demonstrated , the modulation index defines the number of partials in the spectrum 由大多数声学设备产生的分音振幅在声音持续其间变化。 |
| 7. | Sound system equipment - headphones and earphones associated with portable audio equipment - maximum sound pressure level measurement methodology and limit considerations - general method for " one package equipment 音响系统设备.与便携声学设备相连的耳机和头戴送受话器.最大声压水平测量方法学和限制.成套设备通用方法 |
| 8. | The purpose of this work is to use a single acoustic transducer to perform as a command master , which acts as several signal sources , to control the remote operation vehicle 本文主要在探讨如何利用简易之水下声学设备来创建一套可靠之水下通讯及遥控装置,以供水下载具使用;再结合网络遥控方法,使得网络的遥控与通讯的架构得以成型。 |