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Third, the challenges and countermeasures of unmanned technology applied to coastal defense islands and border defense3. Efficient logistics support needsUnmanned technology: coastal defense, islands and frontier defense's new help to defend the motherland.

3. Unmanned shops, hotels and banks: the service guarantee of frontier islands.1. Adaptability challenges in complex environments

3. Unmanned shops, hotels and banks: the service guarantee of frontier islands.Unmanned science and technology: a new boost to coastal defense islands and border defense.Unmanned science and technology: a new boost to coastal defense islands and border defense.