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The speakers' friend

 

作者: W.West,  

 

期刊: Students' Quarterly Journal  （IET Available online 1936）
卷期: Volume 6, issue 24  

页码: 153-155

 

年代: 1936

 

DOI:10.1049/sqj.1936.0019

 

出版商: IEE

 

数据来源: IET

 

摘要:

Details of an interesting sound-level indicator to assist public speaking which has been installed in the I.E.E. Lecture Theatre in London

 

点击下载:  PDF (185KB)



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