Van Oosten calls those chemicals "sunscreens" because their goal was to prevent further light damage and rebuild worn polymer fibers.

范·奥斯坦称那些化学物质为“防晒霜”，用来防止更严重的光损伤，并帮助重建受损的聚合物纤维。

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Today, bundles of glass fibers carry calls on laser beams of light.

今天，一束束的玻璃纤维用激光传递人们彼此间的通话。

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But at that time, the light pulses could travel only about 20 meters through the glass fibers before 99 percent of the light had dissipated.

但是在那个时候，光脉冲在玻璃光纤中只能穿行20米，99%的光都被损耗了。

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Mister Kao discovered how to transmit,or send,light signals over long distances through optical glass fibers.

VOA: special.2009.12.08

Thousands of blades of polyethylene grass, blended with optical fibers, reflect light upward from the trays.

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In it, he uses eye drops made of a special riboflavin (a type of vitamin B) formulation and a very weak ultraviolet light to strengthen the collagen fibers in the eye.

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There are many older optical fibers, but low-light-loss ones are vital for telephone cable.

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