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"Despite a late start, China has made rapid progress in hydrogen development, mastering core technologies of the hydrogen fuel cell," said Zhang Qingjie, president of Wuhan University of Technology.

"Emergencies may be more frequent when many travelers take trains home at the same time, looking forward to family reunions after working the whole year," said Yang, adding that travelers who haven't bought tickets or miss their train are common during the travel rush.

"Empowered by 5G, users may access the working system through many intelligently connected devices at all times. Coupled with VR, we can virtually walk into the same office, open the same file, and write on the same whiteboard when maybe you are in Dubai, I am in Beijing or Shanghai, and we are working on a project together. This has become a reality. "

"Don't overemphasize the markets in the US and European Union. China needs to place more emphasis on other markets. For example, China's exports to India, Russia and Brazil account for about 7 to 8 percent of the country's total," Yu said.

"Dada Group is rooted in supermarket O2O and grocery delivery, and has proposed the best solution -- omni-channel business aggregation platform and fulfillment system," said He Huijian, its vice-president."The core of retail is efficiency and shopping experience. And it is the mission of Dada Group to help retailers to develop e-commerce efficiently and provide consumers with the best shopping experience."