ecosysn.生态系ECOpref.表示“环境”；“生态”；“生态学的”Ecological Perception生态观ecological plasticity生态可塑性ecological embryology生态胚胎学,生态发生学ecological water uses生态用水ecological protecting生态防护ecological elasticity生态弹性Ecological allocation生态配置Eco-taxation system生态税收eco--civilization生态文明ecological efficiency生态效应,生态等值