这使得因为从表面温度振荡或振荡金属的排放量往往发生会导致红外探测器触发时，它不想要的感觉。

This makes sense for the reason that temperature oscillations or oscillating emissions from the metal surface often occur which would cause the infrared detector to trigger when it was not wanted.

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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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振荡气体与板叠表面热交换进行声功泵热，系统通过板叠的冷、热端换热器与外界交换热量。

The heat is transferred between the oscillating gas and the surface of the stack and is pumped from the cold to the hot end.

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