荒漠化,Desertification
1)Desertification[英][d?,z?:t?f?'ke??n][美][d?'z?t?f?'ke??n]荒漠化
1.Desertification: Current State and Trends,Scenarios and Response Options;全球荒漠化的现状、未来情景及防治对策
2.Progressing and problems of domestic and international de