from september 4 to 9, the 2020 china international fair for trade in services was held in beijing. it showcases the latest scientific and technological achievements developed by well-known high-tech enterprises at home and abroad, and promotes the market application and the connection between supply and demand of new technologies, products and services. the picture shows the new generation of unmanned minibuses independently developed by uisee technology. （photo by jiang wenjie）
（editor jiang shuo）
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