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 - environment effects生态环境效应ecological environment loss生态环境损失ecological system structure生态系统结构eco-hydrological patterns生态水文格局ecological culture literacy生态文化教养EcologicalMathematics Model数学模型ecological consuming ethics生态消费伦理eco-hydrology engineering生态水利工程ecological force evaluation生态力评价ecological growth efficiency生态生长效率