NANJING, March 14 -- From 5G robots, 3D-printed supplies to far-reaching medical advances, China has tackled the novel coronavirus with its tech prowess, which is proven effective as more promising signs signal progress in the country's anti-virus fight. Cute, swift robots delivering packages, AI-backed voice assistants and unmanned drones with a loudspeaker reminding people to wear masks are no longer confined to the realm of science fiction, as they are actually taking place across China. A smart mobile robot, with functions like facial recognition and temperature screening, has been patrolling in the city of Suzhou, east China's Jiangsu Province, to help control the spread of the coronavirus. Featured with technologies of 5G, cloud computing and intelligent vision,