名词
中文翻译：警卫和报警系统
同义词：
['security system', 'security guard system', 'alarm system']
例句：
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1. The newsecurity system has improved the safety of the building significantly.
新的安全系统显著提高了大楼的安全性。
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2. The security guard system is designed to prevent unauthorized access to the facility.
保安系统旨在防止未经授权的人员进入设施。
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3. The alarm system was triggered by an intruder entering the building.
入侵者闯入大楼时触发了警报系统。