通过历史文献分析，归纳出一般农田景观格局演变规律。
The evolutionary law of landscape pattern of general farmland is revealed by analyzing the history (literature).
煤矿区的景观格局一般是随着煤矿的开采，地表逐渐沉陷，平坦农田转化为坡耕地，沉陷农田形状变得不规则。
The result shows that the mining condition is the major factor that influences on the landscape pattern of coal mining area.
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