The greatest height of footwall cutting is determined through the theoretical analysis of cut-off grade method and breakeven point method.

通过对边界品位法及盈亏平衡法的理论分析，确定下盘最大切岩高度。

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Cutting off ground wire is a common stealing electricity method.

零线接地法是一种常见的窃电方法。

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The cube formed after cutting one part off the same planar graph in different ways of motion and its method of calculation are introduced.

介绍了同一平面图形按不同方式运动截取一部分形成的立方体的图形及计算方法。

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