Have tons of vibration sensors all across the front and sides of their face which act very similar to a metal detector for us, more or less.

它们的正面和侧面都有大量的振动传感器，这对我们来说或多或少类似于金属探测器。

Amir Avivi, a former deputy commander of the IDF's Gaza Division, says vibration sensors can detect the digging of a new tunnel, though they are less useful at finding ones that already exist.

以色列国防军加沙师前副指挥官阿米尔·阿维维表示，振动传感器可以检测新隧道的挖掘情况，尽管它们在寻找已经存在的隧道方面作用不大。