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  "method": "Diagnostic de sensibilité : grilles alignées sur les multiples du pas, à 0,5°, 0,25° et 0,1°. Budget de 300 000 cellules par diagnostic ; les comparaisons principales restent limitées à 70 000 cellules. Surfaces sphériques sur rayon 6 371 km.",
  "limits": [
    "Le franchissement de l’antiméridien élargit la grille à toutes les longitudes.",
    "Les petites îles et les différences de côtes rendent le score sensible à la résolution.",
    "Ces mesures ne représentent pas les espaces maritimes souverains ou une zone économique exclusive.",
    "La stabilité à deux pas ne certifie pas les frontières ou l’indépendance des atlas initiaux."
  ]
}