et al. HF. Grasp the Historical Opportunity of Ecological Civilization and Write a new Chapter in Rural Vitalization Based on the background of industry 4.0 —In the view of investigation and research of seven villages in Hunan, Jiangxi, Hubei, Guangdong, Shandong, J. converter [Internet]. 2021Jul.10 [cited 2024May3];:185 - 191. Available from: https://converter-magazine.info/index.php/converter/article/view/49