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小徑(≤12cm):
V = 0.00007854L(D+0.45L+0.2)²
大徑(≥14cm):
V = 0.00007854L(D+0.5L+0.005L²+0.000125L(14-L)²(D-10))²
式中:V=材積(m³),L=檢尺長(m),D=檢尺徑(cm)
| 徑級(cm) | 2m | 3m | 4m | 5m | 6m |
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原木材積計算器。林業資源工具,幫助計算林業參數與產量。