Translate the following English sentence to French:
"This accession partnership will define the priority areas for reform on which the European Union considers that Turkey must concentrate its efforts in order to comply, hopefully in a progressive, capable and complete manner, with the Copenhagen criteria."
Ce partenariat d'adhésion définira les domaines de réforme prioritaires dans lesquels l'Union européenne considère que la Turquie doit centrer ses efforts sur le respect progressif, honnête et complet des critères de Copenhague.