Topography and land use types are key factors which affect soil properties variability on catchment scale in the loess hilly area.
在黄土高原小流域尺度上，地形和土地利用是影响土壤变异的重要因素。
Pipelines of West-east pipeline project will spread along the loess plateau in Northern Shannxi Province and Luliang hilly area in Shanxi Province . which are typical loess areas.
西气东输管道沿途经陕北的黄土高原和吕梁山地，是典型的黄土分布地区。
West limestone dry stone mountain, central as the Loess Plateau hilly region and the Taiwan area, the eastern plains area, 731-1716 m above sea level in between.
西部为石灰岩干石山区，中部为黄土丘陵区和台塬区，东部为平原区，海拔高度在731-1716米之间。
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