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李竞雄
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李竞雄
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李竞雄
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Li Jingxiong
李竞雄
(1913-10-20~1997-06-28)中国细胞遗传学家和玉米育种家。中国杂交玉米育种的开创者。他使中国玉米育种水平进入世界先进行列,被玉米界同行誉为“中国杂交玉米之父”。
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degree of ambiguity
degree of an algebra
degree of an algebraic curve
degree of an algebraic equation
degree of an algebraic surface
degree of an algebraic variety
degree of an angle
degree of an equation
degree of an extension
degree of an operator
degree of a permutation group
degree of a point
degree of a polynomial
degree of approximation
degree of a prime ideal
degree of a primitive element
degree of aqueous alteration
degree of arc
degree of a representation
degree of a surface
degree of a valuation
degree of a variety
degree of a vertex
degree of blood oxygen saturation
degree of branching
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