This paper puts forward conceptions of dangerous Angle and bottom-thickness coefficient for the first time, gives out relation curves between them and makes analysis with actual examples.

首次提出了危险角度及底厚系数概念，并给出了它们之间的关系曲线。文末进行了实例分析。

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The bottom line here is that our standard of living is sinking like a stone and the income gap from top to bottom is at a all time high and the percentage of rate vs. actual dollars in revenues paid is far in favor of the higher income brackets than the average wage earner.

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