primary phloem
英 [ˈpraɪməri ˈfləʊem]
美 [ˈpraɪmeri ˈfloʊem]
网络 初生韧皮部; 初生韌皮部; 主韧皮部; 初级韧皮部
双语例句
- The stele includes all primary tissues derived from the procambium consists of pericycle, phloem and xylem.
中柱包括从原形成层衍生而来的全部初生组织，由中柱鞘、韧质部和木质部组成。 - The correlation between the reducing sugar content in phloem and xylem and the ratio of damaged trees was not close. The stele includes all primary tissues derived from the procambium consists of pericycle, phloem and xylem.
不同杨树品系韧皮部和木质部的还原糖含量与被害株率没有相关性。中柱包括从原形成层衍生而来的全部初生组织，由中柱鞘、韧质部和木质部组成。 - The results showed that the primary phloem and the secondary xylem had advantages obviously in the fiber length and the fiber length distribution.
结果表明，红麻初生韧皮部和次生木质部的纤维长度及其分布分别优于次生韧皮部和初生木质部； - Between primary xylem and primary phloem there are 2& 3 layers of parenchymatous cells, regularly or irregularly arranged, but no cambial zone can be recogni-zed.
初生木质部与初生韧皮部之间可见到2&3层排列规则或不规则的薄壁组织细胞，但是没有维管形成层的发生。 - The first and the second leaf tra-ces are organized in the middle of the primary phloem.
第一和第二片叶子的叶迹则在初生韧皮部中间发生。 - Primary Studies on the Ultrastructure of Phloem in the Stem of Eucommia ulmoides Oliv
杜仲茎韧皮部超微结构的初步研究 - It has Actinostele, primary xylem is exarch, primary phloem located between primary xylems like an island. The pith is shaped in the middle.
星状中柱，初生木质部外始式，初生韧皮部呈孤岛状，呈径向辐射状排列位于初生木质部之间，中央形成微弱的髓。 - The primary phloem fiber well-developed in stems.
茎中初生韧皮纤维发达； - During photoassimilate transportation, the primary soluble sugar in phloem sap is stachyose. When transportation is finished, sucrose becomes the main sugar in phloem sap.
当黄瓜同化物从源叶向外运输时，韧皮部汁液中的可溶性糖以水苏糖为主，运输完毕后则以蔗糖为主； - The bark structure of Magnolia biloba, from external to internal parts, includes periderm, cortex, fibre bundies of primary phloem and secondary phloem.
凹叶厚朴的树皮由外向内为周皮、皮层、初生韧皮部的纤维束和次生韧皮部。 - Flax fiber is primary phloem fiber, which is characterized by strong pulling force, soft, slender fineness in textile industry.
亚麻纤维属于初生韧皮纤维，具有拉力强、柔软、细度好等特点。 - In the primary structure, saikosaponin was distributed in parenchyma cells of the epidermis, cortex, pericycle, primary phloem and protoxylem, among which pericycle and primary phloem were the main storage site.
在根的初生结构中，柴胡皂苷分布于表皮、皮层、中柱鞘、初生韧皮部及原生木质部的薄壁组织细胞内，其中中柱鞘和韧皮部是主要的分布部位。