New development of ultrasonic motor, surface acoustic wave motor is introduced.
给出了超声马达的新进展—声表面波马达。
A new passive and wireless Surface Acoustic Wave (SAW) sensor array is introduced.
介绍了一种新型的无源、无线声表面波传感系统。
Theoretical analysis show that, these ripple patterns stemmed from transverse surface acoustic waves.
理论分析发现，这些波纹是由横向表面声波造成的。
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