宁夏南部山区的贫困系典型的环境制约型地区的贫困。
Poverty of mountainous areas of southern Ningxia was the typical model of environmental restriction.
本文以宁夏南部山区为例，简要地介绍了田坎系数测算过程。
Taking southern mountainous land of Ningxia as an example, the paper briefly introduces the ridge coefficient calculation process.
宁夏南部山区独特的地理位置与生存环境，决定了必须在这一地区进行生态农业建设。
The special geographical location and living environment of the south mountainous area in Ningxia decide that the construction of ecological agriculture on the area should be carried out.
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