大喬木（樹(shù)高>25m，胸徑>40cm）
Big tree (height)>25m,Diameter at breast height>40cm
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樹(shù)皮中等厚（皮厚5-10mm）
Bark thickness moderate (thickness 5-10mm)
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外皮深縱裂（裂口寬度與深度>10mm）
Outer bark deep longitudinal fissured
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內(nèi)皮石細(xì)胞粒狀
Stone cell of bark grains-like
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材表細(xì)長(zhǎng)槽棱
Process fusiform fissures long and thin in log surface
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中國(guó)西北
Northwest China
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黃河中下游
Middium, lower reaches of Huanghe River
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長(zhǎng)江中下游
Middium, lower reaches of Yangze River
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長(zhǎng)江以南各省區(qū)
Each province, region in south of Yangze River
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中國(guó)華北
Northern China
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