太空升降机背后的核心理念包括降下一根电缆——也许是由小行星材料制成的,——从对地静止轨道到地球表面。
The central idea behind a Space Elevator involves lowering a cable — perhaps constructed from asteroid material — from geostationary Earth orbit to the surface of the Earth.
但是只一根直径小于半毫米的光纤电缆就可以比由铜丝制成的粗电缆承载更多的信息。
But a single optical fiber with a diameter of less than half a millimeter can carry more information than a large cable made of copper wires.
人们打算将小型会议室的内部,用电缆制成的特别的天花板灯装饰着。
The smaller conference room intended for internal meetings features an extraordinary ceiling lamp made of cables.
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