CAVES D W.CHRISTENSEN L R and DIEWERT W E.The economic theory of index numbers and the measurement of input,output and productivity[J].Econometrica,1982,50:1393-1414.是什么意思_CAVES D W.CHRISTENSEN L R and DIEWERT W E.The economic theory of index numbers and the measurement of input,output and productivity[J].Econometrica,1982,50:1393-1414.在線翻譯_英語_讀音_用法_例句