常見例句ten times more of eroded soil amounts on ploughed farmlands than on unploughed ones. 繙耕地與未繙耕地風(fēng)蝕變化懸殊，繙耕地風(fēng)蝕量是未繙耕地的10倍以上。Exerting Regional Advantage and Exploiting Unploughed Area of International Market--A Case Study on Broccoli in Upper Reach of Dam in Zhangjiakou City 發(fā)揮區(qū)域優(yōu)勢搶佔國際市場空檔--以張家口垻上地區(qū)西蘭花爲(wèi)例unploughed land 未耕地 返回 unploughed