The optical fiber is short for an optical waveguide fiber, and is a light transmission tool adopting the principle of total reflection of light in fibers made of glass or plastics.
光纤是光导纤维的简写，是一种利用光在玻璃或塑料制成的纤维中的全反射原理而达成的光传导工具。
Optical fiber is a glass waveguide which is normally as thin as human hair.
光纤是一种玻璃波导，通常和人的头发一样细。
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