This 术语 represents a collection of 设备 that have been 证明 significant in 术语 of the 演变 of the 领域(野外) Although of great interest and 重要(意义) to the 发展 of 電聲學/电声学 樂/乐 the present 形(曲)式 of this glossary has 不 attempted to provide a comprehensive list of individual 'early' 设备
(参考)文献 参考 and 超文本 links will be supplied in this area during 未来 发展 phases of the 耳 resource