All EAN treatments increased nitrogen flow efficiency (NFE) and nitrogen recovery efficiency (NRE),compared with single NO - 3,but EAN treatments before jointing had significant effects on increasing nitrogen utilization.是什么意思_All EAN treatments increased nitrogen flow efficiency (NFE) and nitrogen recovery efficiency (NRE),compared with single NO - 3,but EAN treatments before jointing had significant effects on increasing nitrogen utilization.在线翻译_英语_读音_用法_例句