Create Precedence Constraint 图标
Precedence Constraint Matrix 优先约束矩阵
mixed precedence constraint 混合优先约束
constraint precedence 约束优先级
Based on the assembly model, the paper described assembly features information. The precedence constraint for parts’ connection and their expression are described by three classes: geometrical precedence relation, special technical precedence relation, fuzzy technical precedence relation.
在建立装配模型的基础上，论述了装配域信息的描述，从几何优先关系、确定性工艺优先关系和模糊性工艺优先关系三个方面研究产品零件间存在的优先约束关系及其表示方法，综合拆分法和优先约束法的优点提出了一种集成环境下的装配顺序规划分析方法。
参考来源 - 集成环境下基于CAD产品装配规划·2,447,543篇论文数据，部分数据来源于NoteExpress
In literatures of classical parallel machine scheduling, people often study the precedence constraint among jobs.
在经典的平行机排序文献中，人们往往研究工件间的序约束。
To exert the constraints, the assembly precedence is modeled and the precedence matrix and data file used to describe the precedence constraint are proposed.
提出了装配优先约束关系模型和约束关系模型的优先矩阵表达法与数据文件表达法。
Position precedence rule. When resolving the float box position, the optimum vertical constraint takes precedence over the optimum horizontal constraint.
位置优先原则：在判断浮动框位置时，最佳垂直限制优于最佳水平限制。
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