Sound may be assessed after measurement of an appropriate physical quantity that varies about an equilibrium position as the sound wave or vibration passes the measuring point.

声波或则叫震动通过测量点时会有一个平衡位置，声音的理特质近似地围绕着它上下波动，通过测量波动可以评估出声音大小。

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Introduced the method to research and develop a new type sound and vibration measurement and analysis system.

介绍了一种新型声-振动测量分析系统的研制方法。

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