在数据输入模式情况下，减小背面光照明的亮度。
In the case of a data input mode, the brightness of the backlighting is reduced.
在串联电路中增加灯泡会降低它们的亮度，而电路中的电流也会减小。
More bulbs in the series circuit will decrease their brightness. A smaller current will flow.
本产品是一种新型高功率节能光源，它具有亮度高、衰减小、寿命长、可靠性高等优点。
The product is a new energy-saving lighting source, with the performance of high brightness, low attenuation, long lifetime and high reliability.
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