The relics provide important materials for studying the history of the palace complex as well as people's production and living conditions at that time, said Xu Longguo, a researcher with the institute.
The report found that Chinese investment in high-tech and innovation-intensive industries has grown rapidly in the last three years, increasing from billion in 2005 to roughly billion last year.
The related parties should bear their responsibilities, take practical measures to ease tension and resume dialogue and negotiation in order to solve the Korean Peninsula issue, Geng said.
The report said 93.9 percent of the underage internet users go online on mobile phones.
The report said State-owned enterprises and private companies slowed down their pace of going abroad in the first quarter.
The relics include more than 40,000 ancient books dating back to the Song Dynasty (960-1279), more than 8,000 well-preserved pieces of clothing and accessories from the Ming Dynasty and Qing Dynasty (1644-1911), as well as a large number of musical instruments that were used for worshipping Confucius.
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The remarks came one day after US Commerce Secretary Wilbur Ross criticized China's subsidies on the production of robots and electric cars.
The report cited research led by sexologist Zhang Beichuan that found a large number of users of the software were minors. He did not give exact figures.
The region has also established a network of police outposts to enable security forces to react to incidents in key areas within seconds.
The report shows that Africa's prime real estate markets have posted mixed performance over the last two years.