理学 图的同构 释 graph isomorphism 图的同构 假设和是两个图，如果存在两个一一射和，满足当且仅当，式中是的关联函数，是的关联函数，则称图和是同构的，记作。
＞组合数学、组合设计与图论＞图论＞释义 graph isomorphism 图同构 graph isomorphism 图同构
理论计算机科学 算法设计与分析 释文 graph isomorphism 图同构
- nutrient assimilation
- nutrient balance
- nutrient bioavailability of aquatic organisms
- nutrient budget
- nutrient-conservation strategy
- nutrient control system for soilless culture
- nutrient criteria
- nutrient deficiency
- nutrient deficiency symptom
- nutrient deficiency symptom in plant
- Nutrient density
- nutrient diffusion area of plants
- nutrient digestibility
- nutrient elements
- nutrient excess
- nutrient flow
- nutrient function claims
- nutrient imbalance
- nutrient loss ratio
- nutrient metabolism
- nutrient mobilization
- nutrient partial factor productivity
- nutrient preserving capability
- nutrient qi
- nutrient recovery efficiency