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2. Security and confidentiality issues3. Efficient logistics support needs3. Unmanned shops, hotels and banks: the service guarantee of frontier islands.

3. Efficient logistics support needs1. UAV: the eye of the air in coastal defense and frontier defense.3. Efficient logistics support needs

3. Unmanned shops, hotels and banks: the service guarantee of frontier islands.1. UAV: the eye of the air in coastal defense and frontier defense.China has a long coastline, numerous islands and vast land borders, and it is difficult for traditional monitoring methods to cover these vast areas. Unmanned technology can solve this problem well. Drones and unmanned devices can extend the monitoring range and fill the dead ends of monitoring. No matter in the waters around distant islands or in the inaccessible border mountainous areas, unmanned technology can continuously monitor and ensure that China's coastal defense islands and border defense areas are always under monitoring.