1. 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.
    但是单单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负载更多的信息。

2. Broadly speaking, however, the superhighway refers to the union of today's broadcasting, cable, video, telephone, and computer and semiconductor industries into one large all-connected industry.
    但广义地说，信息高速公路是指由今天的广播、电视、录像、电话、电脑、半导体等产业组合而成的一个互相关联的大产业。

3. The truck used a cable to tow the car.
    卡车用缆索拖曳汽车。

4. That leaves private industry — computer, phone, and cable companies — to move into the vacuum left by the government's absence.
    这就使得私人企业 -- 电脑公司、电话公司、有线电视公司 -- 得以填补由于政府无法顾及所留下的空缺。

5. Fiber-optic cable, for example — made up of hair-thin glass fibers — is a tremendously efficient carrier of information.
    例如，光纤电缆 -- 由细如发丝的玻璃纤维制成 -- 是一种极为高效的信息载体。

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