ecotourn.到生态环境保存完好的自然地区的旅行
ECOpref.表示“环境”;“生态”;“生态学的”
Ecological-moral education生态道德教育
ecologically-safe building生态建筑
ecological water requirement生态需水
eco-geochemical evaluation生态地球化学评估
ecological water consmnption生态耗水
ecological effect evaluation生态效应评价
Ecological Productive Forces生态生产力
ecological location quotient生态区位商
ecologic footprint intensity生态足迹强度指数