Create Precedence Constraint 图标
Precedence Constraint Matrix 优先约束矩阵
mixed precedence constraint 混合优先约束
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。
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。
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