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There are many dangerous environments and tasks in coastal defense islands and border defense work. For example, maritime patrols in bad sea conditions, patrols in disputed border areas, etc. The application of unmanned technology can make people avoid directly facing these dangers. Unmanned aerial vehicles can patrol the sea area in front of storm warning, and unmanned vehicles can patrol the border minefield, which greatly reduces the risk of casualties and ensures the task.The coastal defense island area is facing the problems of marine climate, strong wind, high humidity and salt spray corrosion, and the border defense area has complex terrain and extreme climatic conditions. These environmental factors put forward high requirements for unmanned scientific and technological products. For example, when an unmanned aerial vehicle flies over the ocean, salt fog may erode its electronic equipment, and unmanned vehicles may have problems such as difficulty in starting the engine in the alpine mountain area on the border. In view of these problems, it is necessary to develop protective technologies that adapt to special environments. For example, special moisture-proof and anti-corrosion treatment is carried out for the electronic equipment of drones, and engines and parts adapted to the cold environment are developed for unmanned vehicles.1. UAV: the eye of the air in coastal defense and frontier defense.

The coastal defense island area is facing the problems of marine climate, strong wind, high humidity and salt spray corrosion, and the border defense area has complex terrain and extreme climatic conditions. These environmental factors put forward high requirements for unmanned scientific and technological products. For example, when an unmanned aerial vehicle flies over the ocean, salt fog may erode its electronic equipment, and unmanned vehicles may have problems such as difficulty in starting the engine in the alpine mountain area on the border. In view of these problems, it is necessary to develop protective technologies that adapt to special environments. For example, special moisture-proof and anti-corrosion treatment is carried out for the electronic equipment of drones, and engines and parts adapted to the cold environment are developed for unmanned vehicles.Unmanned science and technology: a new boost to coastal defense islands and border defense.Unmanned driving technology can also play a unique role in coastal defense islands and border defense. At sea, unmanned ships can be used for patrol, material transportation and other tasks. In island defense, unmanned supply ships can accurately transport materials to various islands, reducing personnel risks and improving transportation efficiency. In border areas, unmanned vehicles can perform patrol tasks in harsh terrain and environment. For example, in plateau border areas, unmanned vehicles are not affected by factors such as high altitude and lack of oxygen, and can patrol for a long time according to the set route to find out the sudden situation at the border in time.

2. Security and confidentiality issuesChina 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.The coastal defense island area is facing the problems of marine climate, strong wind, high humidity and salt spray corrosion, and the border defense area has complex terrain and extreme climatic conditions. These environmental factors put forward high requirements for unmanned scientific and technological products. For example, when an unmanned aerial vehicle flies over the ocean, salt fog may erode its electronic equipment, and unmanned vehicles may have problems such as difficulty in starting the engine in the alpine mountain area on the border. In view of these problems, it is necessary to develop protective technologies that adapt to special environments. For example, special moisture-proof and anti-corrosion treatment is carried out for the electronic equipment of drones, and engines and parts adapted to the cold environment are developed for unmanned vehicles.