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针叶材
释义
针叶材
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农学
木材
释
softwood
针叶材
来源于裸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。因其木材不具导管,又称无孔材。
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physical restoration methods and techniques
physical restoration technology for fishery environment
Physical Review D
physical schema
physical search
physical security
physical security engineering
physical self
physical self-esteem
physical sensor
physical signal
physical signal; causal signal
physical simulation
physical simulation of groundwater
physical simulation test for relay protection
physical solution
physical stability of pharmaceutical preparations
physical sterilization
physical structure
physical symbol system hypothesis
physical system of manufacturing process
Physical Tax
physical-technical geosystem
Physical Theatre Training
physical therapy
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