Do you have an intruder alarm system?

有入侵者报警系统吗？

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The security cameras and alarm system were alerted and the police immediately came to the house and arrested the intruder who was attempting to break a window when they arrived.

监控摄像头和保安系统立刻发出警报，警方立刻赶到现场，逮捕了这一试图通过打破窗户进入家中的男子。

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He invented an electronic instrument that gives an alarm when an intruder comes in.

他发明的电子仪器能在有人闯入时发出警报声。

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Plans are also afoot, according to Patton, to install an expensive high-tech electric perimeter fence with an intruder alarm.

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The military were called to the scene by police officers who responded to an intruder alarm which was triggered by the fire.

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Officers say the intruder, or intruders, interfered with the alarm system several times overnight, setting it off repeatedly so that it was disabled by the museum guards.

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