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?????????Z?? Du??n
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??????????????????鲵????
????????????????Tilia amurensis Rupr.
?????????6-7??????????????????ɡ?
??????????? ???????25m???????1m?????????????????????????а???????????????????????????3?????????????????2-3.5cm??????????????????λ?????Σ???4.5-6cm????4-5.5cm?????????????????Σ????б???Σ???????????????????????????????????о??????????1mm??????4-5?????ɡ????3-5cm?????????????л?3-20????????7-10mm??????????Σ???3-7cm????5-8mm?????????????°??????1??3????????????????б???1-1.5cm????????????Σ???5-6mm????????????????????6-7mm???????????????????20????5-6mm????????????????5mm?????????Σ???5-8mm????????????????????????????6-7???????8-9???
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???÷??????????????????3-10g??
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