| |||
| courbe caractéristique (e.g. of an X-ray film) | |||
| courbe de Hurter et Driffield (e.g. of an X-ray film); courbe H et D (e.g. of an X-ray film); courbe H-D (e.g. of an X-ray film) | |||
| |||
| courbe caracteristique; courbe de gradation; courbe de Hurter et Driffield; courbe de noircissement; courbe sensitometrique; densitogramme m | |||
