根据测区铜矿与基性岩体密切相关的特征，结合区内成矿地质环境和特殊的地形条件，沿沟谷和平缓山脊，采用自由网形式，进行了地面高精度磁测。
Based on the metallogenetic environment and the special landform of this area, high-precision magnetic surveying was performed along valleys and rolling ridges at random networks.
黄河中游河龙段岩土侵蚀环境地质问题极为实出 ，岩土侵蚀的地质背景主要有地质构造、地形地貌、地层岩性等方面。
The geological environmental problems concerning to rock soil corrosion at the Helong portion of the middle reach of the Yellow River have become more seriousl than before.
黄河中游河龙段岩土侵蚀环境地质问题极为实出 ，岩土侵蚀的地质背景主要有地质构造、地形地貌、地层岩性等方面。
The geological environmental problems concerning to rock soil corrosion at the Helong portion of the middle reach of the Yellow River have become more seriousl than before.
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