The arithmetic realized the feature extraction of the weld seam Image.
并最终实现了对焊缝图像的特征提取。
And it derives the united calculation formula of space-time process of ground movement due to the extraction of an inclined seam.
从理论上导出了开采倾斜煤层地表移动空间——时间过程的统一计算公式。
The stability of seam roof is one of the most important factors that influences the safety of coal extraction.
煤层顶板的稳定性是影响煤层回采工作安全最重要因素之一。
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