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”eco- economic construction生态经济建设ecological culture on campus校园生态文化ecological safe shelter zone生态安全屏障ecocriticism and ecofeminism生态女性主义批评Ecological management region生态治理区ecological system of wetland湿地生态系统ecological pollution control生态治污ecological compensation area生态补偿区ecological planning theories生态规划理论ecological scientific theory生态科学理论