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China has made major strategic achievements in COVID-19 prevention and control and its economy has recorded positive growth relatively quickly, thanks to the concerted efforts from both higher and lower levels, and state policies that are timely and effective, Li said.

China had 6.97 million left-behind children living in rural areas as of August, a 22.7 percent drop from 9.02 million in 2016, an official from the Ministry of Civil Affairs told a news conference in Beijing on Tuesday.

China has always respected Mongolia's independence, sovereignty, territorial integrity, and the development path voluntarily chosen by its people, he said.

China has been gearing up efforts to boost the transfer of defense technology to civilian sectors in recent years. More than 7,000 national defense patents were declassified in 2017 and 2018, according to statistics from the organizing committee.

China has become Guinness World Records' fastest-growing market, with 2,000 annual applications, the 63-year-old organization said in Shanghai on Wednesday.