sound-insulating structure

Expansion Chamber Type Sound-insulating Structure at Shaft Through Hole

轴孔扩张管隔声结构

The structure characteristics and flow-model of throttling groove were analyzed, and the sound-pressure model of cavitation noise inside throttling valves was predicted.

在对节流槽结构特征及流动模型进行分析的基础上，预测了节流阀内气穴噪声的声压模型。

Combustion instability not only affects the stability of the aero-engine work, but also caused the combustion chamber flame tube thin-walled structure sound-vibration coupled fatigue.

燃烧不稳定不仅影响航空发动机的工作稳定性，而且还是造成燃烧室火焰筒薄壁结构声振耦合疲劳破坏的重要原因。

It encompasses the study of the universe from the largest galaxies to subatomic particles, covering mechanics, radiation, heat, electricity, sound, magnetism and the structure of atoms.

它涵盖对宇宙从最大的星系到亚原子粒子整个空间范围的研究，覆盖力学、辐射、热、电、声、磁和原子结构等等。

The playing sound of guitar will persist a long time and provide chord tone when the natural frequency of guitar structure couples well with that of the strings.

当琴身结构固有振动频率与琴弦振动频率耦合时，弦振声易产生声波持续时间长、且具有和弦音的效果。

To achieve sound cooperation with foreign investors, domestic companies must improve the management model by forming a strategy oriented and sustainable firm to build up effective management structure, secure financial arrangement, and long term value seeking.

为了与外国资本最终形成很好的合作，内资公司必须要改善公司的治理方式，调整为战略导向、连续经营的模式，形成良好的治理结构、安全的财务安排，追求长期价值。