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助听器已有四十多年的历史。目前,属于个人配戴用的助听器主要有四大类型。即盒式助听器(bodyworn hearing aid;body ald;pocked aid)、眼镜式助听器(eycglass aid;specracle aid)、耳背式助听器(dehindthe-ear hearing aid;BTE aid)和耳内式助听器(In-the-ear
Hearing aids have more than 40 years of history. Currently, there are four major types of hearing aids that are personal wear. Namely bodyworn hearing aid (body ald; pocked aid), specular aid, dehind the-ear hearing aid (BTE aid), and in-the-ear hearing aid ear