环孔材:指木材的生长轮（年轮）早材管孔显然比晚材管孔大,且形成一环明显的带或轮者。如麻栎等。环孔材的早材带有管孔一行(列)，如刺楸等;管孔多行(列)者，如香椿、苦栋等;管孔每隔一定距离而群集，如米栲等;管孔每隔一定距离呈径向辐射状，如红锥等。
... 散孔材diffuse-porous wood 环孔材ring-porous wood 半环孔材semi-ring porous wood ...
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... 环状皆伐 Ring-formed clear-cutting 环孔材 Ring-pored wood 环孔材 Ring-porous wood ...
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半环孔材 [木] semi-ring-porous wood ; Semi-porous wood
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研究紫枝忍冬茎次生木质部结构，其为环孔材。
The study on the stem secondary xylem of Lonicera maximowiczii, reveals the wood belongs to ring porous wood.
外观：散孔材，半环孔材倾向明显，生长年轮略明显，心材红褐至紫红褐色，木屑水浸出液红色；
Appearance: diffuse-porous wood, half ring hole material tendency obvious, growth ring slightly obviously, heartwood red brown to purple brown, sawdust water extract of red;
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