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Third, the challenges faced by unmanned technology to help the economic development in Northeast China and the countermeasures to break the situation3. Unmanned shops, hotels and banks: a new form of service upgrading.1. UAV: a generalist in the sky

2. Shortcomings of market cognition and talent reserve1. UAV: a generalist in the sky

2. Shortcomings of market cognition and talent reserve3. Promote the development of emerging industriesUnmanned Science and Technology: Injecting New Vitality into Northeast Economic Development