For long distances, traditional copper cable will always be slower than using a fibre optic connection.

对于长距离线路，传统的铜线总是比光纤连接慢。

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Use an alligator-clip wire to connect the copper electrode of potato A to the plus (+) connection in the clock.

用一个鳄鱼嘴导线连接土豆A的铜电极至钟的正（+）极

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What the senior engineer knew was the connection between two sound components — such as receiver, mixer, amplifier, and speakers — went beyond two copper wires and some insulation.

这位资深工程师所知道的就是两个音响部件之间的连接，两段铜线和一些绝缘介质之间的接收器、混音器、放大器和扬声器。

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Suddenly a lone inventor rides in from what comes to be known as Copper Valley with a stunning new connection system that's easy to use, highly dependable and an order of magnitude cheaper than existing methods.

FORBES: Magazine Article

One thing they have in common is a connection to Chinese growth, whether through sales of copper and cattle feed or Italian boots and Japanese blouses.

WSJ: The View From Hong Kong: Denting Shanghai's Global Ambitions

More than 80 homes have been left without phone and internet connection in a North Lincolnshire village after thieves stole 1, 400m of copper cable.

BBC: West Butterwick cable theft cuts phone services