They may also provide an important future constraint on dark energy.

This is an important constraint on the form the Einstein field equations take in general relativity.

Especially in Developing Countries this situation remains an important constraint for the growth of the organic sector.

The current availability of airport capacity has been identified as an important constraint on the ability to meet the increasing demand for air travel.

This may be interpreted as a strategy by that plant species to maximize exposure to light, an important constraint to growth and development.

None of the important constraints on American economic and social policy come from abroad.

Oddly enough, one of the important constraints is water on board the international space station.

An important constraint, of course, is that lawyers who represent private clients may view it as a conflict to help the government.

To be sure, the state's leaders do operate under one important constraint.

There are still important constraints on access and knowledge.