steady-state sound

In this paper the transfer matrix method of sound and vibration propagation of the spatial pipeline system is deduced, while the steady flow speed and steady liquid pressure are considered.

考虑了流体定常压力和流速，建立了空间管系振动及声传播的传递矩阵法。

The only sound was the steady ticking of the clock on the wall.

她沉默着,过了一些时候,房里挂钟的钟摆有规律地慢慢摆动.

Calculation of three dimensional steady sound radiation of vibration objects with spline boundary element method

用样条边界元计算振动体的三维稳态声辐射

We should adopt a long-term perspective, seek common ground while resolving differences, and work together to achieve sustained, sound, and steady development of our relations.

我们应该登高望远、求同存异，共同推动中美关系长期健康稳定发展。

Relations between the two countries will definitely progress forward in a sustained, steady and sound manner.

两国关系就一定能够持续 、 稳定、健康地向前发展.