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An employee highlights the salient features of the iQiyi online video streaming platform during a recent high-tech exhibition in Beijing. [Photo/China Daily]
An adjuvant is added to some vaccines to enhance the immune response, thereby creating a stronger and longer-lasting immunity against infections than the vaccine alone.
An Ora, a new energy model from Great Wall Motors, attracts visitors at the Guangzhou auto show last year. [Photo by Cao Yingying/China Daily]
An area of 33.8 million hectares of forests has been grown nationwide in the past five years, increasing the country's forest area to 208 million hectares.
Among top 500 firms, the key technologies of 402 companies were mainly developed independently, accounting for 80.4 percent of the total. The number of valid patents obtained by the top 500 firms increased by 8.46 percent in 2019, while the figure for international patents also grew significantly.
