并列题名：Investigation and research on the Qin Great Wall of the warring states period Investigation and research on the Qin Great Wall of the warring states period 并列题名：Investigation and research on governance of global security 并列题名：Investigation and research on linear leisure space 并列题名：Investigation and research on the Chinese antique maps 并列题名：Investigation and research on the aspect of Chinese dialects in Guangxi 并列题名：Study on the King's chronicle of the warring states period 并列题名：Investigation and research on ancestral temples in Yunnan 并列题名：Investigation and research on rural construction in Hainan investigation and research of the small and medium-sized enterprise