在光从灯泡到达桌子所需要的时间内,这台机器进行了两项操作。
In the length of time it takes for the light to get from that bulb to the table, this machine processes two operations.
一项研究表明,年龄13至64岁的人群中,约有95%在睡前使用电子产品,特别是年轻人。医生称,电子产品在夜间发出的光可能会让人在睡前感到兴奋。
According to a study, about 95% of the people between the ages of 13 and 64 use electronics before bed, especially the young people. Doctors say that the light from those electronics at night may make you excited before you go to bed.
光这一项开支就节约5万元。
So far as the expenses are concerned, we saved as much as 50,000 yuan.
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