fiber

Dietary fiber - Wikipedia, the free encyclopedia一看書立刻就困了Dietary fibre, dietary fibre, or sometimes roughage and ruffage is the indigestible portion of food derived from plants and waste of animals that eat dietary fibre. There are two main components: Soluble fibre dissolves in water. It is readily fermented i...

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Optical fiber - Wikipedia, the free encyclopedia日本一蘭拉麵的廁所.... !!   An optical fiber (or optical fibre) is a flexible, transparent fiber made of extruded glass (silica) or plastic, slightly thicker than a human hair. It can function as a waveguide, or “light pipe”,[1] to transmit light between the two ends of the fiber.[2...

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