Investigation and research on the aspect of Chinese dialects in Guangxi 并列题名：Investigation and research on the aspect of Chinese dialects in Guangxi Investigation and research on the Chinese antique maps Investigation and research on ancestral temples in Yunnan Investigation and research on the new period agricultural insurance Investigation and research on freshwater fish resources of Guangdong Investigation and research of repatriation of Japanese via Huludao Investigation and research on rural construction in Hainan investigation and research of the small and medium-sized enterprise 并列题名：Investigation and research on the Chinese antique maps