不同地形条件下，煤层开采引起的上覆岩层移动与地表沉降规律不同。
The law of ground motion caused by coal excavation is different on different landforms.
本文分析了在复杂地形条件下中距离大气扩散模式的计算方法及其对城区的影响。
The calculation method for air diffusion model of middle distance under complicated terrain was analyzed.
本文分析了在复杂地形条件下中距离大气扩散模式的计算方法及其对城区的影响。
The calculation method for air diffusion model of middle distance under complicated terrain was analyzed.
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