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horizontal error
téléd.	خطأ ممساحي
Anglais glossaire
horizontal error
milit., logist.	The error in range, deflection, or in radius, which a weapon may be expected to exceed as often as not. Horizontal error of weapons making a nearly vertical approach to the target is described in terms of circular error probable. Horizontal error of weapons producing elliptical dispersion pattern is expressed in terms of probable error. (FRA)