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亲本选配
从众多种质资源、品种(系)或优株中选择最符合育种目标性状的亲本,根据育种目标等将它们配成最佳组合的育种方法。
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dimensionless notation
dimensionless number
dimensionless parameter
dimensionless quantity
dimensionless time parameter
dimensionless unit
dimensionless variable
dimension lumber
dimension number
dimension of a cell
dimension of a complex
dimension of affine set
dimension of a lattice
dimension of algebraic group
dimension of a linear space
dimension of a linear system
dimension of a manifold
dimension of an element
dimension of an ideal
dimension of an offine variety
dimension of a physical quantity
dimension of a polyhedron
dimension of a projective variety
dimension of a representation
dimension of a sieve
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