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〔植物形态与结构〕
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蜜腺
维管植物中由表皮或表皮及其深层细胞共同形成的分泌蜜汁的外分泌结构。80%的被子植物及少数裸子植物和蕨类植物具有蜜腺。
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norm mapping
norm metric
norm nonresidue
norm of a divisor
norm of a functional
norm of a group
norm of a lattice
norm of a mapping
norm of a matrix
norm of a measure
norm of an algebra
norm of an algebraic element
norm of an element of a field
norm of an ideal
norm of an integral
norm of an operator
norm of a quaternion
norm of a vector
norm of governance
norm of signed measure
norm on a field
normothermia
norm-preserving mapping
norm-preserving prolongation
norm-referenced evaluation
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