Adjustment of Agricultural Structure in Qinhuangdao City--An Empirical Analysis with the Method of Resource Natural Endowment Factor Coefficient是什么意思_Adjustment of Agricultural Structure in Qinhuangdao City--An Empirical Analysis with the Method of Resource Natural Endowment Factor Coefficient在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句