名词
中文翻译：门控
同义词：
['door control', 'door locking system']
例句：
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1. The security camera in the front door is monitoring our home's activity.
前门的安全摄像头正在监控我们的家的活动。
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2. The door controls the access to the building.
门控制着进入大楼的通道。
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3. The new door controls are more energy efficient than the old ones.
新型的门控系统比旧的更节能。