要求比…更好 发表于 2025-3-28 15:20:34
https://doi.org/10.1007/978-1-4842-7208-4rees so that they can contain both mandatory and optional query conditions. More specifically, we study optional query conditions from a bipolar point of view and propose and illustrate a framework for handling them in query processing.fibula 发表于 2025-3-28 21:42:21
Paolo Mele,Tamio Endo,Tetsuo TsuchiyaDescribes the nanoengineering approach and advances in oxide materials involving superconductors, thermoelectrics, optoelectronics, photocatalysts, and photovoltaics.Includes information on supercondu