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"Chinese is one of the most widely spoken languages in the world," the university's vice rector for foreign relations Subhan Namazov said at a ceremony, which was attended by students and a delegation of the Confucius Institute.

"Chinese people are not used to places where public ownership of guns is legal," Zha added.

"China's tremendous success in lifting the majority of the underprivileged people out of poverty in over a little more than 30 years is a feat that is unparalleled and truly inspiring," said Mark van den Boogaard, senior policy adviser for the United Nations Development Programme.

"Currently those countries incinerate about 65 to 70 percent of their total waste, with daily production capacity reaching about 800,000 tons each. China is likely to hit this level by 2025. Now China's waste-to-power development is seeing steady progress, and has a relatively mature industrial value chain and technologies. Going forward, more effort is needed to advance current technologies to raise incineration efficiency and reduce emissions, as well as reduce costs to promote waste-to-power development in rural, less-developed areas," Zhang said.

"Chinese big data companies are continuously improving their users' information protection systems," Shen said, adding that tech companies should build firewalls internally to isolate direct links between user data collection departments and other operating departments.