压电振荡 压电振动
Piezoelectric oscillation, piezoelectric vibration
以上为机器翻译结果，长、整句建议使用 人工翻译 。
当这个小装置以每秒60亿周的高频速度振荡时，它表面的“压电”材料会产生一个很容易被检测到的振动电场。
As the doohickey hummed away at a very high frequency-a whopping 6 billion cycles per second-the "piezoelectric" material in it produced a warbling electric field that was easy to detect.
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