Development Imbalances in China: An Integrated Analysis with the Tsinghua China Balanced Development Index AnAlysis on Present stAtus And develoPment tendency of PerformAnce Audit in chinA Trends Analysis of Graphene Research and Development Empirical Analysis of China’s Service Sector Development and Strategic Transition AnAlysis on low-cost Airlines And tourism development Evaluation of Ecotourism dEvElopmEnt in rural rEgions of china Evolution and prospect of China’s rural development policy: A policy text analysis of the No.1 Central Documents Changing energy intensity in China:a deComposition analysis PoPulation and develoPment:imPacts on environmental Performance Development in China’s Ethnic Minority Regions:Progress, Inadequacies and Solutions