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First, the vigorous trend and unique charm of unmanned technology3. Unmanned shops, hotels and banks: a new form of service upgrading.1. Coping with the problem of population loss and labor cost

Second, the demand for economic development in Northeast China and the opportunity for unmanned technology to meet1. Coping with the problem of population loss and labor costThird, the challenges faced by unmanned technology to help the economic development in Northeast China and the countermeasures to break the situation

1. UAV: a generalist in the sky1. Coping with the problem of population loss and labor costSecond, the demand for economic development in Northeast China and the opportunity for unmanned technology to meet