The company has filed a patent for a system that would allow drones to drop packages from the sky, and guide them to a safe landing spot using tiny parachutes.
该公司提出了一项系统专利，该系统将允许无人机从空中投递包裹，并用小型降落伞引导着包裹安全着陆。
Multi-colour, fresh moulding, suitable for multi-spot using.
色彩多样，造型新颖，适合多种场合使用；
Multi-colour, fresh moulding, suitable for multi-spot using.
色彩多样，造型新颖，适合多种场合使用；
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