| 摘要 |
A hull (10) for an aquatic vessel which provides a shark-repelling region about the vessel. The hull (10) includes two electrodes connected to an electromagnetic field signal generator, which in use, generates an electromagnetic field (40) about the vessel which repels sharks. The electrodes may be formed from the ends of an electrode cord (23), or may be formed from conductive (24, 25) plates (20, 21) mounted to, or integral with, the hull (10).
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