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| image en dégradé (all photographs and illustrations having a range of shades); image à tonalité continue (all photographs and illustrations having a range of shades); image à ton continu (all photographs and illustrations having a range of shades) | |||
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| image en dégradé (all photographs and illustrations having a range of shades); image à tonalité continue (all photographs and illustrations having a range of shades); image à ton continu (all photographs and illustrations having a range of shades) | |||
