亚历山大·格拉汉姆·贝尔——伟大的电话之父

摘要：

Alexander Graham Bell probably wouldn't know what to make of a 1)selfie,but he started the 2)communication 3)revolution with his telephone back in the 1870s.He was really fascinated by sound and speech as the son of a professor of 4)elocution.With his father's encouragement,he even worked with his older brother Melville on creating a talking machine that changed the way we communicate.

机标关键词：亚历山大

分类号：K546.1;G258.6;K125

在线出版日期：2016-08-31（万方平台首次上网日期，不代表论文的发表时间）

页数：共4页

页码：16-19