该卡包含有传感器，可以测定不同设备或窗户的光线强度。
The card contains sensors that measure the intensity of light coming from different fixtures or Windows.
当另一辆车从对面开来时，他减弱了他的车灯光线强度。
The lights of his car dimmed when another car was coming from the opposite direction.
传统被动红外探测器容易受到环境温度，环境光线强度影响，误报率高。
The origin passive infrared detectors is easily jammed by factors such as environmental temperature and environmental light intensity.
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