尽量延长其使用寿命。
LED照明与传统照明方式相比，其使用寿命可以延长15倍以上。
The LED lighting has fifteen times more life span if compared with the same conventional bulbs, he noted.
消费者对它所发出的“冷”光也并不买账。而对其使用寿命较低也颇有微词。
Consumers dislike the "cold" light they give off and their poor lifespan.
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