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。
The house sits within an existing development with rules restricting development to the current flat pad and limiting height to 14 feet above grade.
别墅位于原有住宅小区里，按照一定规律将小区限定于当前平台，高度为地面14英尺之上。
The grade of land is decided by many factors. The land height and geological basis are two important factors.
土地级别的高低由多种因素决定，地貌和地质基础是其中的两个重要因素。
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