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[Subject: Military Art & Science]
- ancienne unité de dose de radiation ionisante absorbée (équivalent à 1/100 de gray)
Translated by: DAVID LAURENT
Translated in 5 languages
[Subject: Physics]
Translated in 3 languages
[Subject: Geometry]
- symbole du radian, unité de mesure d'angle
Translated in 1 languages