Then a C2R Data Envelopment Analysis(DEA) decision model with multi-input and output was built to assess whether technique and scale were simultaneously efficient.是什么意思_Then a C2R Data Envelopment Analysis(DEA) decision model with multi-input and output was built to assess whether technique and scale were simultaneously efficient.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句