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Beijing also saw enhanced performance in companies' research and development efforts, which are key to high-tech and high-end manufacturing development.

Beijing reported one new local case related to Dalian on Tuesday. The patient, a 53-year-old woman from Anhui province, arrived in the capital to visit her daughter in Changping district. She had become infected after a dinner with an asymptomatic carrier from Dalian on July 16 in Jinzhou, Liaoning province.

Beijing issued a yellow warning on icy road conditions Tuesday morning, which is the lowest level in the three-tired warning system of yellow, orange and red.

Beijing Electric Vehicle Co says that it expects to see a more than 160-fold increase in its sales of new-energy powered taxis and ride-hailing cars in the next five years, attaining a firm foothold in the country's booming new-energy vehicle market.

Before 2008, when desalination equipment was installed, the sailors often contracted skin diseases because a shortage of fresh water meant their clothes were washed in brackish seawater.