Warning: file_put_contents(/home/www/wwwroot/tjuzi.com/cache/c0793e30827ec7cb046e5df19d13d311.txt): failed to open stream: No space left on device in /home/www/wwwroot/tjuzi.com/index.php on line 55 Berget例句_Berget英汉例句_Berget双解例句_橘子化妆朗文词典
BERGET A N,HUMPHREY D B.The Dominance of Iinefficiency over Scale and Product Mix Economicis in Banking[J].Journal of Monetary Economics,1991(28):117-148. 刘小玄.;中国工业企业的所有制结构对效率差异的影响-1995年全国工业企业普查数据的实证分析[J]