Translate the following English sentence to French:
"On no account is it appropriate to enlarge the role of the Union' s research centres in such a way that the operations of national research centres are made more difficult in the context of resource reallocation."
Sinon, cela n' aurait aucun sens d' élargir les prérogatives des centres communautaires de recherche de telle sorte que les instituts de recherche nationaux voient leur activité compromise du fait de la redistribution des ressources.