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China has fog forecast radar, but its use is largely restricted to scientific research because of its high costs.
China has challenges, though, as the epidemic has petered out in the country, hampering efforts to conduct large trials.
China has led the world in new energy sales in the past five years, and has built 38,000 charging stations, 449 battery swap stations and 1.3 million charging poles, according to data from the Ministry of Industry and Information.
China has been injecting vitality into thousands of state-owned enterprises (SOEs) through a series of reforms, moving toward mixed ownership and market-oriented management.
China had 169 million minor netizens in 2018 and the internet penetration rate was 93.7 percent, according to a report published on Tuesday.
来源：资阳报