开采条件下黄土丘陵区地下水系统动态研究——以内官–香泉盆地为例 Keywords: Abstraction; Dynamic; Groundwater System; Loess Hilly Area [gap=428]关键词：开采；动态；地下水均衡；黄土丘陵区
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the loess hilly area 黄土丘陵区
Loess hilly area of Ningxia 宁夏黄土丘陵区
loess hilly gully area 黄土丘陵区
loess gulled-hilly area 黄土残塬沟壑区
hilly loess area 黄土丘陵区
ningxia loess hilly-gully area 宁南宽谷丘陵区
loess hilly-gully area of ningxia 宁南宽谷丘陵区
hilly area of loess 黄土丘陵区
hilly area of loess plateau 黄土高原丘陵区
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。
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。
Wind erosion is one of the most calamity weather phenomenon in loess hilly-gully area of Hebei Province, it often occurs in winter or spring.
风沙是河北省黄土丘陵区较常见的灾害性天气现象之一，多发生于冬春季节。
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