constrained structure造句

例句与造句

1. The primary trade-off being made in using a semi-structured database model is that queries cannot be made as efficient as in a more constrained structure, such as in the relational model.
2. In order to increase the pace and prevent the project from coming to a halt, the committee in charge has decided in March 1999 to abandon a strict chronological order in favor of less constrained structure.
3. It's difficult to find constrained structure in a sentence. 用constrained structure造句挺难的