想想电缆延长的如此之远，真是令人惊奇！
Just imagining cables that stretch that far seems pretty amazing.
不要用从一元店买来的橡胶层又轻又薄的延长电缆去给你的高清电视供电。
Don't use a dollar store extension cord with a flimsy, thin rubber sheath to get power to your HDTV.
长电缆使用I2C延长器，用于在电台屋和天线之间的连接。
I2C extender for long cable usage between shack and antenna.
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