短語詞組短語stony desertification 石漠化desertification index 荒漠化指數(shù)grassland desertification 草原荒漠化;草地荒漠化desertification evaluation 荒漠化評價desertification degree 土地荒漠化程度preventing desertification 防治荒漠化desertification disasters 荒漠化災(zāi)害expanding desertification 荒漠化擴(kuò)展 返回 desertification