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- In this paper, the effect of disc muffler on vibration and sound radiation of worm shell is discussed. 摘要探讨了圆盘型进气消声器对蜗壳振动和声辐射的影响。
- The vibration and sound radiation behaviors of the stem of submarine with rudder and vane are studied. 摘要针对带有舵翼的水下航行器尾部结构模型，研究舵翼对水下航行器尾部的振动及声辐射的影响。
- In this paper,ring-stiffened cylindrical shells coated with internal deck are experimented on vibration and sound radiation. 对具有内部甲板的环肋柱壳模型进行振动和声辐射试验。
- The numerical results explain that the vibration and sound radiation of stern can be degraded by enforcing the rigidity of rudder or reducing the length of the vane. 结果显示舵翼结构与周围流体的相互作用很大，改变其尺寸和刚度会使得模型的声压发生很大的变化，同时流固耦合现象的存在使得模型在水中的频率明显下降，并且模态阶数的顺序也发生了改变。
- Numerical analysis of vibration and sound radiation efficiency from a submerged cylindrical shell has been carried out by using FEM methods,BEM methods and statistical energy methods. 利用有限元、边界元和统计能量分析方法并结合软件对圆柱壳体在流场中受激振动及声辐射效率作了数值计算分析研究。
- vibration and sound radiation experiment 振动和声辐射试验
- A calculation of the vibration and sound radiation of ship auxiliary engine room and its experimental research 船舶辅机舱振动与声辐射计算及实验研究
- The Numerical Analysis of Vibration and Sound Radiation Efficiency from a Cylindrical Shell 圆柱壳体振动声辐射效率数值计算分析
- An expanding-contracting virtual boundary element method for solving the vibration and sound radiation from a cavity with an arbitrary shape 伸缩虚边界元法解含任意形状空穴外场声辐射
- vibration and sound radiation 振动和声辐射
- In order to control sound radiation from a baffle in sonar equipment excited by vibration and noise from a ship, the baffle was modeled as a simply supported rectangular thin plate and its radiation characteristics were analytically investigated. 摘要为抑制声呐设备中障板受舰船振动、噪声激励而产生的声辐射，将障板转化成简支薄板模型，分析其在谐波激励下的声辐射。
- vibration passing and sound radiation 振动传递及声辐射
- They have got home safe and sound. 他们已平安到家。
- They pick up vibration and sound, so they can identify advancing troops.The sensors can also detect the presence of nuclear, chemical or biological agents. 目前传感器尚未得到广泛的运用：技术还在继续成熟，还得让消费者相信它值得拥有。
- All his sons returned safe and sound from the war. 他所有的儿子都从战争中平安无恙地回来了。
- The package arrived safe and sound. 包裹寄到，丝毫无损。
- First the feathers of vehicle hydraulic shock absorber vibration and sound is synthesized detailedly, classified as abnormal sound of friction attack, abnormal sound of resonance, abnormal sound of flow cutting and abnormal sound of gas. 首先对车辆液力减振器的振动噪声的特点进行了较为详细的分类和归纳总结，减振器异响分为：摩擦撞击异响、共振异响、截流异响和气体异响。
- Abstract: In this paper the current situation and trends on the study of pipeline vibration and sound propagation are completely summarized,and the researches of this area are looked forward to the future. 文摘:本文对管道振动及声传播领域的研究现状和水平分类作了比较全面的综述,并对今后开展潜艇管道振动、声传播及噪声控制的研究进行了展望。
- He telegraphed that he had arrived in London safe and sound. 他电告他已平安抵达伦敦。
- The rescuers brought the climbers back safe and sound. 救援人员把登山的人都安然无恙地救了回来。
