形重是反映不同形状树干的重量指标，同时又是树干重量的直接换算因子。
Shape weight is the weight index reflecting varied trunk shape and the direct conversion factor of trunk weight too.
形重是反映不同形状树干的重量指标，同时又是树干重量的直接换算因子。
Shape weight is the weight index reflecting varied trunk shape and the direct conversion factor of trunk weight too.
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