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taraxacum koksaghyz Rodin
释义
taraxacum koksaghyz Rodin
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理学
橡胶草
释
taraxacum koksaghyz Rodin; TKS
橡胶草
天然橡胶原料之一。菊科蒲公英属草本植物。适宜在较寒冷的地区生长,从其根部提取的橡胶,与巴西橡胶的结构和性能相似,但分子量分布较窄,含树脂略多,塑炼与混炼耗能、耗时较少。
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principal congruence relation
principal congruence subgroup
principal conjecture
principal conjunctive normal form
principal connex
principal convergent
principal coordinates of neighbour matrics
principal crossed homomorphism
principal curvature
principal curve
principal curves
principal deformation
principal determinant
principal diagonal
principal diameter
principal dielectric axes
principal direction
principal direction of curvature
principal discrete series
principal disjunctive normal form
principal distribution parameter
principal divisor
principal dual ideal
principal element
principal element elimination
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