2) primary vascular system
初生维管系统
1.
Studies on the primary vascular system of the seedling of Ligusticum jeholense;
辽藁本(Ligusticum jeholense)幼苗初生维管系统的发育
2.
Anatomical Studies on the Primary Vascular System of Seedling of Glycine Soja Sieb. et Zucc.;
野生大豆幼苗初生维管系统的解剖学研究
3.
The anatomical structure of its primary vascular system was studied and its cotyledon node zone is longer than that of Ranonculaceae.
其初生维管系统的解剖学研究表明：子叶节区明显长于毛茛科植物幼苗，属顶枝伸长型。
4) life-support system
维生系统
1.
Air conditioning system and life-support system of Dalian Laohutan Pole Aquarium;
大连老虎滩海洋极地馆空调及维生系统介绍
5) Secondary vascular regeneration
次生维管再生
6) three-dimension oil production management information system
三维生产管理信息系统
1.
Development practice on three-dimension oil production management information system;
基于3S技术的油田三维生产管理信息系统的开发实践
补充资料：杜仲的维管形成层
李正理提供
[图]
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条