边界约束: boundary co traintboundary constraintedge restraint
Example Sentences:
1.
The over - constrained and under - constrained problem can be solved naturally in our approach because that a constraint problem is transformed into an optimal problem does n ' t entail that the number of constraint equations equal to the one of constraint variables 由于将约束问题首先转化为优化问题的过程中，并没有要求约束变量的数目与约束的数目相等，因此可以自然地求解欠约束问题和过约束问题。
