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hardwood
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hardwood
Encyclopedia
农学
木材
释
hardwood
阔叶材
来源于被子植物中双子叶乔木植物的木材,主要指其茎干的次生木质部。阔叶材除水青树、昆栏树等极少数树种外,都具有导管,又称为有孔材。
Biology
hardwood
硬材;阔叶树
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fission half life
fission half-life
fission hypothesis
Fission ionization chamber
fission isomer
fission mass distribution
fission matrix method
fission mean free path
fission neutron
fission neutron energy spectrum
fission nuclear fuel
fission nuclear fuel cycle
fission nuclide
fission parameter
fission-produced
fission product
fission-product-bearing
fission [product] chain
fission product chain
fission product chain; fission product decay chain
fission product chemistry
fission product decay chain
fission products
fission reaction
fission reactor
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