Such constraints could make sense because of knowledge of the process that generated the data.

But legal constraints, along with practical considerations, make that difficult, he said.

Realistically, it still seems likely that the major powers will let internal politics and domestic constraints make their interventions selective.

"The new constraints make financial planning more important than ever."

In many applications, additional constraints such as limited resources or time windows make the problem considerably harder.

However, economic constraints and other factors make such a de-icer impractical for use on roads.

But political and resource constraints make it unlikely that any of these parties will act.

These constraints made a teleplay quite different from a screenplay.

These constraints make no sense in today's world and, particularly, in today's marketplace.

Cultural constraints also make it difficult for workers to demand better treatment.