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Chen Fengying, a senior researcher on the world economy at the China Institutes of Contemporary International Relations, said that at the G20 Hamburg summit, China is likely to offer its solutions to such issues as globalization, the revolution in intelligent industries and how to make development sustainable.

Chen Shengdou, director of the China Agro-tech Extension Association, said China has more than 50,000 units of agricultural drones in operation, topping the world's list, with an area of 30 million to 33 million hectares of crops that have been sprayed with pesticides and fertilizers by such drones.

Chen Jun, deputy director of Tujia, said grading of the various rental apartments and houses will help visitors get a quick impression of the house quality and make better decisions.

ChiNext will become the second board of China's A-share market to apply registration-based reform, as the country boosts efforts to revamp its capital markets to support digital innovation, the top securities watchdog said on Sunday.

Chen said while an operating system for smartphones usually contain dozens of millions of lines of codes, Hongmeng contains much fewer - in the quantity of hundreds of thousands - and therefore very secure. The Hongmeng system also has extreme low latency compared with a smartphone operating system, she added.