木材宏观构造.doc

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1、横切面crosssection/transversesection径切面radialsection弦切面tangentialsection径切板和弦切板quarter-sawnandflat-sawnlumber心材heartwood边材sapwood心材树种heartwoodtree边材树种sapwoodtree熟材ripewood熟材树种ripewoodtree伪心材falseheartwood内含边材includedsapwood有孔材porouswood无孔材nonporouswood木材缺陷de

2、fectsofwood节子knot生长轮(年轮生长轮)growthring年轮annualgrowthring伪年轮falsering轮界线growth-ringboundary早材earlywood,springwood晚材latewood,summerwood导管vessel导管分子vesselelement管孔pore导管线vesselline散孔材diffuse-porouswood环孔材ring-porouswood半环孔材semi-ringporouswood半散孔材semi-diffusep

3、orouswood侵填体tylosis树胶gum傍管类薄壁组织paratrachealparenchyma*宽带状薄壁组织broad-bandsparenchyma*环管束状薄壁组织vasicentricparenchyma*翼状薄壁组织aliformparenchyma*聚翼状薄壁组织confluentparenchyma离管类薄壁组织apotrachealparenchyma*星散状薄壁组织diffuseparenchyma*轮界状薄壁组织terminalparenchyma*切线状薄壁组织metat

4、rachealparenchyma木射线ray胞间道intercellularcanal树脂道resincanal创伤树脂道traumaticgumcanal