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Both types of robo-carriers would be in contact wirelessly with a central computer network that would manage the operation. The ground vehicle could be directed to head over to a fulfillment center, pick up shipments and plot a course for deliveries. Drones could flit back and forth to drop off packages and charge up at the vehicle.

Brazil reported a total of 13,149 deaths from COVID-19 and 188,974 confirmed cases of infection, after 749 more patients died from the disease and 11,385 infections were detected in the past 24 hours.

Buoyed by several rounds of venture capital investment, major bike-sharing platforms expanded rapidly at home and abroad, offering loss-making rental prices amid the increasingly fierce competition.

Bustling around a narrow working space, Su Daomei, a 45-year-old technician working for Chongqing Silian Measure & Control Technology Co Ltd (CSMC), was busy testing a PDS intelligent pressure transmitter on Tuesday.

Both the EU and China are committed to multilateralism, upholding the rule-based international order, handling international relations on the basis of mutual respect, and improving multilateral trade system through multilateral consultations, according to the EU leaders.