ecosysn.生态系ECOpref.表示“环境”；“生态”；“生态学的”Ecological researches生态学研究Eco-lndustrial area生态工业园eco- tourism market生态旅游市场Ecological Toxicology生态毒理学Ecological efflciency生态效能ecological succession生态演替,生态接续eco-economic system生态经济系统ecological type river生态型河道ecological embankment生态护岸ecological adjustment生态调整