Investigation and research on governance of global security Investigation and research on the new period agricultural insurance Investigation and research on Gaoping temple theatre Investigation and research on linear leisure space Investigation and research of repatriation of Japanese via Huludao Investigation and research on ancestral temples in Yunnan Investigation and research on the Chinese antique maps Investigation and research on rural construction in Hainan Investigation of old-age security and models of the old-age security Evaluation research on urban and rural old-age security