EXAMPLE SENTENCES | ||
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幼茎表达分布在韧皮部; The expressional sites in young stalk are in phloem. | ||
黄檗幼树根韧皮部和茎干基部的韧皮部中主要药用成分含量很高,而叶片、木质部和周皮很低。 The alkaloid contents were highest in root and stem base phloem of Amur corktree saplings, and lower in leaves, xylem and periderm. | ||
韧皮部外有发达的韧皮纤维和较多的蛋白细胞。 There are more developed phloem fiber and many albumin cells surround the phloem. | ||
在横切面上,次生韧皮部的面积比次生木质部大得多。 In the transection section, the area of secondary phloem is much larger than secondary xylem. | ||
维管束由维管束鞘、木质部、韧皮部和大型薄壁细胞组成。 The vascular bundle consists of vascular bundle sheath, xylem, phloem and big parenchymatous cells. | ||
结果大黄中的活性成分含量以韧皮部最高,髓部次之,木质部最低。 Result The active component content in phloem was the highest, while, successively, in pith and in xylem. | ||
同化物在韧皮部中以液流形式运输,液流中的水主要来自木质部。 The assimilate transports in the phloem by liquid form and the water of the liquid mainly comes from the xylem. | ||
在割胶树的树皮中,有输导功能的韧皮部的厚度不超过1毫米。 In the bark of tapped trees, the thickness of the conducting phloem is less than 1 mm. | ||
每个维管束的韧皮部外面有数层厚壁细胞,增加叶柄的机械支持作用。 There are some sclerenchymatous cells outside the phloem of each vascular bundle to increase the supporting force of the petiole. | ||
异面叶,叶肉组织中含有晶体,韧皮部内富含含盐液泡泡,机械组织发达。 Bifacial leaf and mesophyll tissue contain crystals, phloem is rich in saliferous vacuoles, and the mechanical tissue is developed. | ||