讨论了可用于液相环境下测量的声板波(APM)传感器的工作原理，并介绍了该传感器在物理、化学和生物检测中的应用。

The theory of acoustic plate mode (APM) sensor used in liquid phase in details is discussed. The design and the application of APM sensor in biology, chemistry and physics are presented.

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采用将有限声束分解为一系列平面波的方法，对有限声束在液体-固体板-液体结构中的声反射问题进行了分析和计算。

Analysis and numerical computation have been performed for the reflection of acoustic beam on the solid plate surface of layered structure: liquid solid plate liquid.

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