维管系 vascular system ; vascular system,vascular system ; vascular system vascular bundles 进入管系 admission line 第一循环管系 primary circul...
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the vascular system 脉管系统
water vascular system 水管系 ; 水管系统 ; 水脉系
lymphatic vascular system 淋巴管系统 ; 淋巴管零碎
closed vascular system 闭管式循环系统
closed blood vascular system 闭式血管系
primary vascular system 初生维管系统
blood vascular system 血管系 ; 血管系统
closed blood-vascular system 闭锁血管系
plant vascular system 植物维管系统
From exteral appearance, the root crown develops from the Hypocotyl, while anatomically, it is consist of the Cotyledon Node Zone and Hypocotyl . The convertion of primary vascular system occurs in the Cotyledon Node Zone between root and stem.3.
2．从外部形态看蔷薇实生苗的根颈由幼苗的下胚轴发育而来；观察幼苗的解剖学结构，发现根颈由子叶节区和下胚轴组成，初生维管系统在根和茎之间的转变发生在胚轴上很短的子叶节区。
参考来源 - 月季砧木选育及实生砧根颈生长的调控A functioning vascular system including major and sprouts vessels have presented in zebrafish embryos in three days.
具有功能的包含主血管和分支血管的血管系统在斑马鱼发育到第3天便可清晰呈现。
参考来源 - 斑马鱼VEGFD基因完整ORF克隆及其在血管系统发育过程中功能的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
以上来源于: WordNet
Auxin also causes the plant to develop a vascular system, to form lateral roots, and to produce ethylene.
生长素还能使植物形成维管系统，形成侧根，并产生乙烯。
Thirty minutes of exercise three times a week, and 15 minutes of laughter on a daily basis is probably good for the vascular system.
一周坚持三次半小时以上的运动，每天笑15分钟，这样会对人们的脉管体统大有裨益。
High blood pressure is a serious burden on the vascular system and is known to cause heart disease, stroke, and other cardiovascular diseases.
高血压是心血系统的严重负担，而且会导致心脏病，中风和其他心血管疾病。
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