Depending on the relationship between height (H) and diameter (D) of dominant trees, it takes the height of the dominant achieved at base diameter as the index of site quality estimation.
试图从优势木树高与胸径的相关关系入手，以优势木在标准胸径时所达到的树高作为评估地位质量的指标。
Note: the operations from day 3 to day 12 depend on site crew, re-bar complexity, concrete type, external temperature, etc. and are estimation from past jobs.
注：3-12天的工作进度取决于工人素质、钢筋笼的复杂性、混凝土类型、环境温度等。
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