leaf venation 叶脉序 ; 叶脉系
dichotomous venation 分叉状脉 ; 叉状脉序 ; [植] 二叉脉序 ; 二叉状脉
wing venation[昆] 翅脉序 ; 翅脉相 ; 翅脉序
developing venation 发展脉络
petal venation 花瓣脉序
campylodromous venation 弧状脉序
simple venation[植] 单脉
dendroid venation 树桩脉序
anastomosing venation 闭合脉序[1]
It focuses on the shifting and makes this trend as an important venation.关注这种研究重点的转移，并以这一趋势作为综述的重要脉络。
Making this clear, we can not only define the research domain and inner research venation, but also provide a clear foundation for the future research progress.明确了这些，不仅可以把握企业演化观的研究范围和内在研究脉络，而且可为企业演化观的进一步发展提供较为清晰的研究平台。
City is the concentration of social civilization, then with ancient origin, historic city is precious wealth of humankind, reflecting the venation of society development.城市是社会文明的集中体现，历史古城以其深厚的历史渊源，反映了社会发展的脉络，是人类的宝贵财富。[1]