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自从1760年一名法国人创建世界上第一个聋人学校开始,到1975年国际聋人教育会议召开,已经历了200多年的历史,助听器和听觉语言训练作为康复事业的一部分已取得了飞速的发展。助听器由原始喇叭型,炭精传声助听器,经过各种电助听器的几代更新,近20年已向微型化和耳级化发展。目前世界生产助听器的总台数已达220万台,其中耳级助听器(包括耳背式、眼镜式、耳内式助听器)的类型达300、400种。几乎能使90%以上愿意配带助听器的聋人得到合宜的助听器。随着助听器的进展,聋哑人的听觉语言康
Since the establishment of the first deaf school in the world by a French in 1760 and the International Conference on Deaf Education 1975, which has been in existence for more than 200 years, hearing aid and hearing and speech training have achieved rapid progress as part of a rehabilitation program development of. Hearing aids from the original horn, carbon voice transmission hearing aids, after a variety of electric hearing aids generations of updates, the past 20 years have been miniaturized and ear development. At present, the total number of hearing aid devices in the world has reached 2.2 million sets, of which there are 300,400 types of hearing aid devices (including earcuffs, glasses, and in-ear hearing aids). Almost 90% of hearing-impaired hearing-aids are deaf people who are willing to wear hearing aids. With the progress of hearing aids, the auditory language of deaf people is healthy