He reviews images from security cameras, some of which are wireless, and then locks an office with keys using a wireless ID system that records who enters where and when.
他可以从一些无线的安全电视摄像机中看回访图像,或用无线id系统将办公室上锁,该系统可记录进入人员及其去向与时间。
A no-fly zone has been established in the airspace over the courtroom to prevent media intrusion and escape attempts, and even the locks of the court have been changed to avoid security lapses.
在法院的上空已经设置了禁飞区,防止媒体的干扰还有犯人逃跑,而且还把法院锁上避免安全问题上的疏忽。
Consider the security and privacy of your home: door locks and alarms help protect you from burglars, but curtains and blinds keep your home life private from passersby.
先来想象一下你自己家里如何保障安全和隐私:紧闭的大门以及报警系统让你远离夜贼入侵,而窗帘和百叶窗让你的生活隐私不暴露在路人的眼中。
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