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CHANGSHA -- Central China's Hunan Province on Wednesday began building a regional big data exchange in the latest move to tap into the country's booming digital economy.
By the end of September, the debt ratio of large- and medium-sized enterprises dropped by 3.9 percentage points from a year earlier to 66.1 percent.
By scanning a quick response (QR) code on each packet of Chile's cherry, Chinese customers could trace back the cherry's origin and other information, such as its category and picking date, Wu said.
By that time, the elderly dependency ratio - the proportion of seniors supported by people of working age - is expected to be 10-to-13.
By the end of 2019, Beijing had opened 151 roads measuring about 503.68 km for the purpose.
来源：资阳报