| 1. | Hearing aids ; numerical expression of acoustical performance characteristics
助听器.声学特性的数字表示法 |
| 2. | The present situation and prospect of the acoustic properties research in rock
岩石声学特性研究现状及展望 |
| 3. | Acoustic behavior application of ore body and rock mass in fengshan copper mine
丰山铜矿矿岩声学特性及其应用 |
| 4. | Experimental study of flow - induced tones of nose cones in high - speed flows
两种鼻锥在高速气流中声学特性的研究 |
| 5. | Acoustics - procedures for the measurement of real - ear acoustical characteristics of hearing aids
声学.助听器真耳声学特性测量规程 |
| 6. | Methods of measuring the acoustic characteristics of ultrasonically tissue - mimicking materials
超声仿人体组织材料声学特性的测量方法 |
| 7. | Acoustical characteristics and measurement methods for the sound reinforcement system in ballroom
歌舞厅扩声系统的声学特性指标与测量方法 |
| 8. | Road traffic noise reducing devices - procedures for assessing long term performance - non - acoustical characteristics
道路交通噪音减少设备.长期性能评估过程.非声学特性 |
| 9. | Acoustics - test code for the determination of acoustical characteristics of sound barriers installed in a free field
声学.无声波场中安装的隔音设备的声学特性测定用试验规程 |
| 10. | Road traffic reducing devices - procedures for assessing long term performance - part 2 : non - acoustical characteristics
道路交通噪音降低设备.长期效能评估程序.第2部分:非声学特性 |
