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Is the yellow light long enough?

 

作者: Robert Salow,   Jim Thornton,   Peter Siegel,  

 

期刊: The Physics Teacher  (AIP Available online 1993)
卷期: Volume 31, issue 2  

页码: 80-81

 

ISSN:0031-921X

 

年代: 1993

 

DOI:10.1119/1.2343665

 

出版商: American Association of Physics Teachers

 

关键词: TRAFFIC CONTROL;SAFETY ENGINEERING;LIGHT BULBS;MOTION;AUTOMOBILES

 

数据来源: AIP

 

 

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