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Braasch said the type of radar technology being developed by Echodyne, plus laser-based?sensors under development at Velodyne and many other companies, should solve the sense-and-avoid problem within the next few years.But uUntil then, drone deliveries in the United States are likely to be restricted to closely watched experiments like Project Wing’s burrito run.
But "a lot of multinationals tend to converge" in first-tier cities like Beijing, Shanghai and Shenzhen, making the game there extremely tough, he said. "Even among the big multinationals they are tramping over each other."
Brian Jay Jones
Both sides also exchanged views on China-US relations.
But Amazon has signaled to delivery companies across the globe that the company is interested in delivering more of its own packages to customers doors. The retailer has leased jets, hired cargo vessels and has sought permission to drive longer delivery vans on US roads. The company has offered one and two-hour delivery in certain areas of the United States.
来源：资阳报