| 1. | The sparker was originally developed for fundamental studies of underwater sound propagation and of subbottom geology . 火花发生器原来是为了进行关于水下声波传播及海底地质的基础性研究而制造的。 |
| 2. | Impulse sound propagation for environmental noise assessment 环境噪声评定用脉冲声响传播 |
| 3. | Characteristic of sound propagation in ducts with varying cross - section 变截面导管声传输特性研究 |
| 4. | Anomalous sound propagation in sea water 海水中超远距离传播 |
| 5. | Acoustics - impulse sound propagation for environmental noise assessment 声学.环境噪声评估用脉冲声音传播 |
| 6. | Therefore , the fluid sound propagation of the leakage pipes is studied , according to the acoustic impedance characters 文中从声学的角度出发,分析了漏损点的声阻抗特性,并对漏损管道内流体的声传播进行了研究。 |
| 7. | Acoustics - recommended practice for the design of low - noise workplaces containing machinery - sound propagation and noise prediction in workrooms 声学.低噪声机械工作间设计的推荐实施规程.工作室中声传播和噪声预测 |
| 8. | A gas flow in such a scenario will affect the sound field distribution , the sound speed and the sound propagation mode inside the muffler 此种状态的气流将会影响消声器内部的声场分布、声速、声的传播规律等,特别是气流速度影响更大。 |
| 9. | Acoustics . recommended practice for the design of low - noise workplaces containing machinery . part 3 : sound propagation and noise prediction in workrooms 声学.含机械设备的低噪音工作场所用推荐操作规程.第3部分:工作间的声音传播和噪声预测 |
| 10. | Modeling the acoustic field with proper sound propagation model is necessary for the research on sound propagation in the sea and is the basis of ocean acoustic tomography 研究海洋中的声传播需要选择适当的传播模型对海洋环境进行建模,精确的传播模型也是海洋声层析研究的基础。 |