vegetationn.植物；草木；(植物)生长；【医】赘生物，赘疣，增殖体vegetation index植被指数vegetation cover植物被覆,植被vegetation chart植被类型图vegetation plain滩地植被化vegetation water植被水vegetation system植被系统vegetation effect植被效应vegetation change植被变化vegetation season植物生长季节Vegetationn index植被指数