名词
中文翻译：背景监控器
同义词：
['monitor', 'background check例句：1. The company uses a background monitor to ensure all employees are compliant with the law.（该公司使用背景监控系统以确保所有员工遵守法律。）']
例句：
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1. The company uses a background monitor to ensure all employees are compliant with the law.
该公司使用背景监控系统以确保所有员工遵守法律。
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2.The background monitor detected an unusual activity in the system.
背景监控系统检测到了系统内的异常活动。
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3.The background monitor was used to monitor the security of the building during the event.
在活动期间，背景监控系统被用来监控大楼的安全。