基本解释科埃利同根派生 Coelli相关词英汉例句We adopt Battese and Coelli's (1995) model of stochastic frontier function and apply the software Frontier4.1 to evaluate the cost inefficiency score. 研究發現,研發支出與成本傚率呈正相關關系,即研發支出越多,成本傚率越高。Coelli更多例句