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Unmanned aircraft, referred to as "UAV", is an unmanned aircraft that is operated by radio remote control equipment and self-provided program control devices, or is operated completely or intermittently by an on-board computer. UAVs can be divided into military and civilian according to the application field. In terms of military use, UAVs are divided into reconnaissance aircraft and target aircraft. In terms of civilian use, drones + industrial applications are the real needs of drones.