在此基础上以河北省迁安市部分矿业开发影响的地块为例，采用改进的神经网络方法进行了评价，评价结果符合实际情况。
On this basis, an assessment was made by improved neural network method on some land blocks affected by mining exploitation in Qian 'an City, Hebei and the results accorded with the re...
华北油田的大部分在河北省，在邯郸和迁安市为主要的铁矿区。
Much of the North China Oilfield is found in Hebei, and there are also major iron mines at Handan and Qian'an.
华北油田的大部分在河北省，在邯郸和迁安市为主要的铁矿区。
Much of the North China Oilfield is found in Hebei, and there are also major iron mines at Handan and Qian'an.
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