The invention provides a football referee wireless passive contact device using surface-acoustic-wave technology, belonging to the wireless transmission technical field.
一种采用声表面波技术的用于足球比赛中裁判之间的无线联络装置，属于无线传输技术领域。
This article introduces the applications of surface acoustic wave technology (SAWT) in aerospace systems and other fields.
本文介绍声表面波技术(SAWT)在航空航天系统和其它领域中的应用。
This article introduces the applications of surface acoustic wave technology (SAWT) in aerospace systems and other fields.
本文介绍声表面波技术(SAWT)在航空航天系统和其它领域中的应用。
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