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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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sound premix
Sound Press Ethics
sound pressure
sound pressure, acoustic pressure
sound pressure level
sound pressure meter
sound pressure sensor
sound probe
soundproof
soundproof for door and windows
Sound-Proofing Felts and Blankets
sound proof material
sound propagation coefficient
sound propagation in buildings
sound pulse
sound quality
sound quality assessment
sound quality of internal combustion engine
sound radiated meter
sound radiosity
sound-ranging
sound ray
sound ray tracer
sound recording equipment
sound reduction index
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