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| English | Russian |
| drag coefficient | коэффициент сопротивления (лобового; In fluid dynamics, the drag coefficient (commonly denoted as: cd, cx or cw) is a dimensionless quantity that is used to quantify the drag or resistance of an object in a fluid environment such as air or water. WAD Alexander Demidov) |
| improved drag coefficient | уменьшенный коэффициент аэродинамического сопротивления (YGA) |