Coal-based transformation of Cities in shandong ProvinCe;China An Artificial Stock Market Based on Soft Control Theory Trajectory Big Data Processing Based on Frequent Activity Local Community Detection Based on Network Motifs Market-Based Solutions to Overcapacity:Principles and Measures Satisfaction of targeted poverty alleviation policies and its influencing factors based on farmers' perspective:Questionnaire survey and research on 1720 farmers in Shaanxi Province of China Research on layout of China leisure agriculture based on sustainable development Ecotourism and EnvironmEntal Ethics: BasEd on chinEsE confucianism and taoism philosophy Regulation and decision system of water, fertilizer and salt in salinized farmland based on WebGIS Anchor Self-Localization Algorithm Based on UWB Ranging and Inertial Measurements