| 释义 |
Definition of intruder alarm in English: intruder alarmnoun An electronic device that emits a loud noise when someone attempts to gain unauthorized entry to a building or other premises. staff arrived to find an intruder alarm had been activated Example sentencesExamples - It is thought the raiders fled in the vehicle after the intruder alarm went off.
- The council also keeps a confidential register of names and contact details of keyholders for intruder alarms.
- Funding is not available for conventional intruder alarms or equipment installed prior to Departmental approval.
- Work is taking place to upgrade intruder alarms and CCTV systems and to install fencing and shutters to deter intruders.
- The house has gas-fired central heating, double glazed windows, garden lighting and an intruder alarm.
- This article is designed to give you an idea of the sort of intruder alarm protection you'll need in a private house.
- The warehouse is protected by an intruder alarm system.
- Taking intruder alarms as an example, he said false alarms averaged 3.94 per system per year in 1989.
- Most schools now have better fences, more secure entrances, security cameras and intruder alarms.
- The bunker is the size of a double garage with 3 fences around it, a microwave intruder alarm detection system and 32 armed policemen.
Definition of intruder alarm in US English: intruder alarmnoun An electronic device that emits a loud noise when someone attempts to gain unauthorized entry to a building or other premises. staff arrived to find an intruder alarm had been activated Example sentencesExamples - Work is taking place to upgrade intruder alarms and CCTV systems and to install fencing and shutters to deter intruders.
- Most schools now have better fences, more secure entrances, security cameras and intruder alarms.
- The bunker is the size of a double garage with 3 fences around it, a microwave intruder alarm detection system and 32 armed policemen.
- This article is designed to give you an idea of the sort of intruder alarm protection you'll need in a private house.
- The council also keeps a confidential register of names and contact details of keyholders for intruder alarms.
- It is thought the raiders fled in the vehicle after the intruder alarm went off.
- The warehouse is protected by an intruder alarm system.
- The house has gas-fired central heating, double glazed windows, garden lighting and an intruder alarm.
- Taking intruder alarms as an example, he said false alarms averaged 3.94 per system per year in 1989.
- Funding is not available for conventional intruder alarms or equipment installed prior to Departmental approval.
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