名词
中文翻译：占用率灯
同义词：
['occupancy light', 'occupied lamp']
例句：
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1.The occupancy lamp is a device that measures the amount of light in a room.
占用率灯是一种测量房间内光线量的装置。
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2. The occupancy lamp was installed to help monitor the usage of the building's elevators.
占用率灯被安装来帮助监控建筑物电梯的使用情况。
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3.The occupancy lamp was used to indicate when the building was occupied or unoccupied.
占用率灯被用来指示建筑物是在使用中还是未使用中。