Electronic component, esp. one operating with acoustic surface waves (OFW component) and process for its prodn.
电子元件，特别使用声表面波工作的元件-OFW元件，以及制造该元件的方法。
In four locations where a sunspot was soon to emerge, acoustic waves returned to the solar surface with anomalous rapidity-more than a dozen seconds faster than normal.
在有黑子将要浮现的四个地方，返回到太阳表面的声波异常迅速- - -比正常情形快了至少十二秒。
Laser generated surface acoustic waves provide a useful tool for determining the elastic properties of coatings.
激光激发声表面波提供了评价涂层或薄膜的弹性性质的有效手段。
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