Большой англо-русский и русско-английский словарь
screening number, shielding effectiveness
Англо-русский словарь технических терминов
screening coefficient, shielding effectiveness, screen(ing) factor, shield(ing) factor
Русско-английский политехнический словарь
screening coefficient, shielding effectiveness, screen(ing) factor, shield(ing) factor
* * *
screening constant
Dictionnaire technique russo-italien
радио fattore di schermo