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From October to January, all 28 cities in the Beijing-Tianjin-Hebei region, also known as Jing-Jin-Ji, and surrounding areas saw winter air quality improve. For example, Shijiazhuang in Hebei province saw a decrease of 52.4 percent. Jining in neighboring Shandong province saw the smallest decrease, 8.4 percent, according to the ministry.

From June 15 to noon on Wednesday alone, the NHC and the Chinese Center for Disease Control and Prevention had provided online training on nucleic acid testing for the virus to 360,000 people across the country, said He Qinghua, an official in the NHC's disease control and prevention division.

From a practical point of view, Su said they are working prototypes and exploring pathways to commercialization. "Our timeline is for the first prototypes to be developed by the end of this year, latest mid next-year, and the scale-up process to hopefully lead to a competitive product line by the end of 2018," Su said.

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From 2012 to 2013, 28 students from a university in Changsha, Hunan province, were also diagnosed with TB, as were 13 students from Jiangsu University of Science and Technology in December 2011.

From Dec 15 to 20, inspectors went door-to-door and found some 96,000 families that still had no heat on Dec 15, including in Hebei, where temperatures have dropped as low as -10 C.

From July 13 to 17, the average pork price index in 16 provincial-level regions tracked by the Ministry of Agriculture and Rural Affairs was 50.24 yuan ($ 7.19) per kg, down 0.7 percent week on week.

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From 2009 to 2016, Wang also illegally accessed insider information, and personally or through his relatives bought stocks in advance. The total transaction volume reached 490 million yuan, with Wang illegally taking a 160 million yuan profit.

From September to December of 2018, smartphone shipments in China plunged almost 10 percent year-on-year, according to data from market research company International Data Corp or IDC.

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From Feb 15 to Feb 20, more than 768 million people participated in sending and receiving hongbao, or red packets, an increase of 10 percent year-on-year, according to a statement released by WeChat on Feb 21.

Frederic Genta, Monaco interdepartmental delegate in charge of the digital transition, for his turn, hailed "a paradigm change" thanks to 5G mobile phone network based on technology from the Chinese firm Huawei.