生态
organisms’habits,modes of life and their relation to environment;ecology
~变异 ecocline/~脆弱地区 ecologically vulnerable area/~道德标准 ecological moral standard/~的自我修复能力 ecological selfregeneration capacity/~工程ecological engineering; ecoengineering/~林ecological forest /~林业ecoforestry /~旅游ecological tourism;ecotourism/~模拟ecological simulation/ ~灭绝战争ecocide warfare/ ~农业ecoagriculture; ecofarming; ecological agriculture/~平衡ecological balance/~示范区ecological demonstration zone/~退化ecological degeneration/~危机ecological crisis/~系统ecosystem/~型ecotype/~学ecology