1) hilly arid zone
山丘干旱区
2) semi arid hilly area
半干旱山地丘陵区
1.
The natural and social economy condition of eco agriculture system in semi arid hilly area (gving Helin county Shengliying village as an exanple) is analysised,the quastion and developing potentiality that existe in systems struction and function are discussed,and the countermeasure of developing eco agriculture ststem in different area with different application is put forwards in the paper.
以和林县胜利营乡为例分析了半干旱山地丘陵区生态农业系统的自然、社会经济条件 ,探讨了本系统结构、功能中存在的问题和发展潜力 ,并分地区、分用途区提出了发展该生态农业系统的对策 。
3) semi-arid and low-mountain area of Inner Mongolia
内蒙半干旱低山丘陵区
4) hilly-gully regions on the Loess Plateau
丘陵干旱区
6) hilly semi-arid area
丘陵半干旱区
1.
Quantitative evaluation of land resources of small watershed in hilly semi-arid area of China;
丘陵半干旱区小流域土地资源定量化评价研究
2.
The purpose of the study is to explore the soil infiltration and runoff generation characteristics of small watershed in hilly semi-arid area of North China,Which can not only provide scientific basis for soil and water loss harness,but also for raising the rainwater use rate and rainwater use efficiency.
为了探索我国丘陵半干旱区小流域入渗产流规律,为该地区雨水径流集蓄利用和区域生态环境治理提供依据,通过人工模拟降雨和自然降雨入渗产流试验,对小流域坡耕地、林地、草地和荒地的降雨入渗产流特征进行了系统研究。
3.
According to the investgating and surveying data of the gullies,Using the methods of the information entropy of the gully vertical profile,the main-element analysis and the cluster analysis,thegullies in hilly semi-arid area of China were divided into three types,i.
应用沟壑纵剖面信息熵、主成份分析、聚类分析等方法 ,将丘陵半干旱区沟壑分为初期“V”型发展沟 ,中期“U”发展沟、后期扩展“”型稳定沟三大类。
补充资料：山丘
1.亦作"山邱"。 2.土山。 3.坟墓。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条