机译:Characterizing the evolution of the Yangtze River Delta multi-port system using compositional data techniques
Barcelona Innovation in Transport (BIT), Barcelona School of Nautical Studies, Universitat Politecnica de Catalunya - BarcelonaTech, Barcelona, Spain,Department of Civil and Environmental Engineering (DECA, Universitat Politecnica De Catalunya-BarcelonaTe;
Taculty of Maritime and Transportation, Ningbo University, Ningbo, China;
Department of Civil and Environmental Engineering (DECA, Universitat Politecnica De Catalunya-BarcelonaTech (UPC), Barcelona, Spain;
Yangtze River Delta multi-port system; compositional data; concentration indexes; Hierarchical Clustering;