Studies on the construction of sustainable agro - grassland production system of farming - pastoral transitional area in ningxia 宁夏东部农牧交错区可持续发展草地生态农业体系建设研究
The loess plateau of china located at a transitional area where the semi - humid climate is changing into the semi - arid and arid climate 黄土高原地处半干旱半湿润向干旱荒漠的过度地带。
Research on construction of optimized agro - grassland ecological system of farming - pastoral transitional area in arid and semiarid region 干旱半干旱农牧交错区优化草地生态农业体系建设研究
The loess plateau of china is located at a transitional area where the semi - humid climate is changing into the semi - arid and arid climate 黄土高原地处半干旱半湿润向干旱荒漠的过渡地带,生态环境十分脆弱。
The conjoint zones are the transitional areas from urban areas to rural areas , and they are also in the forefront of social transition from the rural society to urban society 城乡结合部是农村向城市过渡的边缘地带,也是农村社会向城市社会转型的前沿性地带。