biological technology and information technology. (Xinhua/Liu Xiao) 。

aerospace。

Aug. 15， capital city of northwest China's Shaanxi Province。

Visitors experience a flying simulator during the 14th China Xi'an International Science Technology Industry Expo and Hard Core Technology Industry Expo at Qujiang International Conference and Exhibition Center in Xi'an，澳门银河赌场， 2019. The expo opens on Thursday and will showcase fruits covering fields including artificial intelligence，。