| 1. | Analysis of two measuring methods of sound velocity
对两种声速测定方法的剖析 |
| 2. | Method of sound level measurement for industrial sewing machine
工业用缝纫机噪声测量方法 |
| 3. | Metal - cutting machine tools - measurement method of sound pressure level
金属切削机床噪声声压级测量方法 |
| 4. | Method of sound power levels of noise emitted by household sewing machine head
家用缝纫机机头噪声声功率级的测试方法 |
| 5. | Investigation on low - frequency measurement method of sound insulation for underwater acoustical material
水声材料低频隔声测试研究 |
| 6. | An engineering analysis method of sound - machine coupling resonance in a labyrinth gas seal device
一种篦齿封严结构声固耦合共振分析的工程方法 |
| 7. | In this paper , we present the method of sound environment layout of the south sight - seeing town , and the jinxi town as the example is studied
结合锦溪镇的应用实例，由此对南方旅游城市的声环境规划方法进行了探讨。 |
| 8. | Finally , the future of noise active control is proposed , that is design theory and method of sound interdict strap , active sound absorption and research of new absorption material
最后，提出噪声控制工程的未来发展方向，即：声学禁带设计理论与方法，主动吸声，新型吸声材料的研究。 |
| 9. | This paper is aimed to provide a computational method of sound radiation from the pressure and non - pressure hulls of submarines subjected to harmonious point forces . it is significant for reducing vibration and sound radiation of the submarine hull , guiding the optimization design of submarine and enhancing its battle ability
本文寻求潜艇耐压和非耐压船体结构受激振动辐射噪声的计算方法，分析潜艇结构辐射噪声的影响因素，对降低艇体振动和辐射的噪声，以及潜艇结构进行隐身优化设计、提高其战斗力具有十分重要的理论指导意义。 |
