[Purpose/significance] As a data infrastructure to facilitate unified curation and service of research data, research data repository alliance(RDRA) is a key trend of research data sharing.Exploring its collaborative operation strategies can provide references for the c...MORE [Purpose/significance] As a data infrastructure to facilitate unified curation and service of research data, research data repository alliance(RDRA) is a key trend of research data sharing.Exploring its collaborative operation strategies can provide references for the collaborative construction, operation and sustainable...