圆柱式连接器这种连接器是一种圆柱形(桶形)连接器，用于将两根以太网粗同轴电缆结合在一起。

Barrel connector This connector is a cylindrical (barrel-shaped) connector used to splice together two lengths of thick Ethernet coaxial cable.

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通过一个圆柱式连接器，Arduino能够接受一定电压范围内的电源（有关更多细节，请参阅 参考资料）。

Through a barrel connector, the Arduino can accept power at a range of different voltages (see Resources for details).

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通过一个圆柱式连接器，Arduino能够接受一定电压范围内的电源（有关更多细节，请参阅 参考资料）。

Through a barrel connector, the Arduino can accept power at a range of different voltages (see Resources for details).

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