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By the end of last year, 229 airports and airlines offered digital tickets to passengers, while the homegrown Beidou satellite navigation system was widely used in the transport sector.
By studying hard, young Lihua was admitted to a local vocational school, on which a predecessor of today's Jiangnan University was built. His mom could barely afford his education, but through the support of local charities and teachers, he completed his textile engineering education in the spring of 1949.
CAR-T, chimeric antigen receptor, involves removing T-cells from a patients' blood, reprogramming them into the body to attack infected cells.
By the end of 2019, the total sum of China's civil airports reached 238, said statistics from the CAAC.
By Li Lei
来源：资阳报