ECOSn.欧洲城市合作系统ECOpref.表示“环境”；“生态”；“生态学的”ecological zone生态区Eco-cathedral生态教堂eco- friendly环保Ecological area生态城区Eco-chemistvy生态化学ecobiogeography生物生态地理学ecological flow生态流量Economies study经济学研究eco - benefit生态效益ecological poem生态诗