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pith(plant)
释义
pith(plant)
Encyclopedia
理学
〔植物形态与结构〕
释
pith(plant)
髓(植物)
位于茎或根中央,由基本分生组织发育而来,一般由薄壁组织细胞组成,具细胞间隙的基本组织。有的细胞含有叶绿体。
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access arm
access conflict
access control
access control list
access control list, ACL
access control matrix
access control mechanism
access control model
access control service
access control system
access control system of hydropower station
access control unit
access cycle
access denial
access gateway
access hole
accessibility
accessibility design standards
accessibility facilities
accessibility hierarchy
accessibility of air supply
accessibility of contaminant source
accessibility of health service
accessibility planning
accessibility sampling
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