constraint relationship的用法和样例：
例句
- In a directed graph, the decision variables of the shortest path computation must be determined by a constraint that is called Kirchoff's constraint.
摘要已知一个有向图，求解两点间的最短路径的决策变量满足基尔霍夫约束关系。 - A method to solve the compatibility equation of distortion indirectly is put forward based on the kinematic constraint relation.
提出利用运动约束关系来间接求解过约束并联机构变形协调方程。
