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"Chief among them are political and social instability, closed borders limiting the movement of people and capital, an unfavorable business environment, difficulties in accessing credit by small and medium-sized businesses, disruptive technologies, harsh weather and lack of infrastructure," says Robert Kagiri, a lecturer at the Institute of Diplomacy and International Studies at the University of Nairobi in Kenya.

"Can (the advertising campaign) overcome the reluctance of some to wear masks, despite scientific evidence showing they work?" the article asked.

"China has an edge in hardware, but more efforts are needed to develop tailor-made software for supercomputers, in order to widen its application," Wang said.

"China firmly opposes that," he said in a statement posted on the ministry website.

"China built a hospital with 1,600 beds in six days, while no other country in the world can even think of putting up a building in the same amount of time," he said.