double-coincidence switch

例句：

1. 1.The double-coincidence switch is used to prevent the system from being hacked by malicious software.
   双重巧合开关用于防止系统被恶意软件攻击。
2. 2. In this case, the double-coincidence switch is activated when two sensors detect a similar pattern of movement.
   在这种情况下，当两个传感器检测到相似的运动模式时，双重巧合开关会被激活。
3. 3. The engineers found that the double-coincidence switch was responsible for the unexpected failure of the circuitry.
   工程师们发现，双重巧合开关是导致电路故障的意外原因。