海军医学研究所研制的限幅式通讯隔声耳罩继1987年获军队科技进步式等奖后,最近经国家级验收又获国家科技进步式等奖。该耳罩主要用于各种噪声环境的防护和通话,其隔声值已达到国际水平。佩戴时活动自如,并能和钢盔同时佩戴。经军内外专家评审和广泛使用证 Following the award of the scientific and technological progress award by the military in 1987, the limited-sound-communication acoustic earmuffs developed by the Institute of Naval Medical Research won the national scientific and technological progress award by the state level recently. The earmuff is mainly used for protecting and calling in various noisy environments, and the sound insulation value has reached the international standard. Wear comfortable activities, and wear the helmet at the same time. After military experts review and widely used certificate