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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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directivity
directivity and gain of antenna
directivity factor
directivity function
directivity function of microphone
directivity index
directivity index of microphone
directivity pattern
direct join
direct joint
direct laser acceleration
direct laser lithography
direct lateral force/pneumatic composite force compound control
direct lattice
direct leasing
direct levelling
direct light
direct lightning flash
direct limit
direct linear transformation
direct line atomic fluorescence
direct-line atomic fluorescence
direct line fluorescence
direct liquefaction
direct liquid cooling
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