短語(yǔ)詞組短語(yǔ)sandy desertification evaluation 沙漠化評(píng)價(jià)Desertification evaluation indicator system 荒漠化評(píng)價(jià)指標(biāo)躰系Desertification evaluation indices 荒摸化評(píng)價(jià)指標(biāo) 返回 desertification evaluation