| 摘要 |
An electrical cable has a first plurality of bundles each including a plurality of wires and connectable to a positive pole of a current source at one end, a second plurality of bundles each including a plurality of wires and connectable with a negative pole of the current source at one end. The bundles of the first plurality of bundles and the second plurality of bundles include bundles of same diameters, the wires in the bundles have different diameters, and the wires of the bundles are twisted in opposite directions so that the wires having a greater diameter are twisted in one direction, while the wires a smaller diameter are twisted in an opposite direction.
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