Within this fairly rigid framework, however, some subtle and not-so-subtle changes have been taking place for at least a decade.
The power train and body are mounted to a rigid structural framework called a rail.
The Chancellor is "trapped by his own rigid fiscal framework."
In order to take into account all the features from the volatility surface, the Heston model may be a too rigid framework.
In choosing such a measure, members will simply trade one rigid framework for another.
We must therefore break free from the rigid framework of the Community institutions and put variable geometry into direct action.
A very rigid legal framework is not always the best way to achieve the objectives sought, bearing in mind the different situations.
Firstly, the existing EU own resources system has a very rigid framework.
They cannot all be fitted into the same rigid framework.
Each grouping is set within a rigid framework of black lines, which contains and controls the dynamics.