National defense education knowledge

1, what is national defense? National defense is a military activity carried out by a country to guard against and resist aggression, stop armed subversion, and defend the country's sovereign unity, territorial integrity and security, as well as military-related political, economic, diplomatic, scientific and technological, educational and other activities.

2. What is the nature of China's national defense? The nature of China's national defense mainly includes three aspects: First, China is a socialist country, and all state power belongs to the people. Defending the motherland is the sacred duty of all China people, that is to say, our national defense is the national defense of the whole people. Second, adhere to an independent foreign policy and the Five Principles of Peace. Our national defense is not influenced by external forces and will not form an alliance with any country or group of countries, that is, our national defense is independent. Third, as a developing country, China will never be a superpower or engage in hegemonism. We don't want an inch of land from any country, and we don't allow any country to occupy an inch of land from our country. That is, our national defense is self-defense of active defense.

3. What is the function of China's national defense? Mainly manifested in: defending national sovereignty and territorial integrity, safeguarding national independence and dignity; Defend people's peaceful labor and happy life, and promote the smooth progress of national economic construction; Consolidate the status of the country, safeguard world peace and contribute to the development and progress of mankind; Promote the development of national economy through the development and utilization of national defense industry, national defense science and technology, new technology and new products.

4. What is territory? Territory refers to a specific part of the earth's surface under the sovereignty of a country, including land, rivers, lakes, inland seas, territorial waters and their subsoil and airspace. China's total land area is about 9.6 million square kilometers, and the land boundary is as long as 2 1900 kilometers.

5. What is the territorial sea? The territorial sea refers to a certain range of sea areas adjacent to the coast or internal water within the sovereignty of the coastal state. The waters about 0/2 nautical mile from the sea baseline/kloc-are China's territorial waters, which are the same as the land territory. The contiguous area of 24 nautical miles from the baseline of the territorial sea is the contiguous area, and within the contiguous area, China can manage acts that violate the laws of China. The area adjacent to the territorial sea 200 nautical miles outward from the baseline of the territorial sea is the exclusive economic zone, and the coastal countries have jurisdiction over this area. The continental shelf is outside the territorial sea and naturally extends from its land territory to the outer edge of the continental margin, with a maximum of 350 nautical miles. Coastal countries enjoy sovereignty over the natural resources of the continental shelf. China has exercised its sovereign rights over the exclusive economic zone and the continental shelf. China has sovereignty and jurisdiction over more than 3 million square kilometers, which is the maritime territory of the motherland.