以下为句子列表：
英文: More anthraquinone compounds was distributed in pith ray cells and the tissues of mature stem suchas bundle sheaths in large-scale vascular bundle, primary phloem and primary xylem than that in young stem. [Conclusion] The distribution of anthraquinone co
中文: ［结果］随着茎的不断成熟，在茎的表皮、近表皮的1~2层皮层细胞及较内部皮层中，不同程度地增加贮藏和积累了一定数量的蒽醌类化合物，成为茎外部贮藏和积累蒽醌共化合物的主要结构部位成热茎大型维管束的维管束鞘、初生韧皮部、初生木质部等组织和髓射线细胞分布了比幼茎多的蒽醌类化合物。
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英文: Primary xylem Xylem derived from the procambium in the young plant.
中文: 初生木质部：指幼嫩植物中来源于原形成层的木质部。
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英文: In the primary structure of root, the primary xylem is diarch and the development of both the primary xylem and the primary phloem is exarch.
中文: 在根的初生结构中，其初生木质部为二原型，木质部及韧皮部的发育均为外始式。
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英文: A diarch or triarchsiphonostele with exarch primary xylem was found at lower cotyledonary node zone (CNZ).
中文: 果表明:银杏幼苗的轴向器官以子叶节区下部的初生维管结构先建立,其中柱类型是外始式二原型或三原型管状中柱;
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英文: The primary xylem of root (seminal root) his of diarch and that of adventitious root is of triarch.
中文: 初生根原型,不定根 原型。
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