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一些竊賊,他們沒有被嚇倒的跡象,只是試圖打破窗戶,而不是打開它。這些傳感器將警報如果太多的壓力或振動的玻璃。
Some Burglars who aren't deterred by the sign, will simply try to break a window, instead of opening it. These sensors will set off the alarm if too much pressure or vibration is put on the glass.
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