高速公路行车风险路侧感知系统的设备优化布设  | 
	
| 李立,平振东,徐志刚,汪贵平 | 
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			 Devices’ optimal deployment of roadside sensing system for expressway driving risk  | 
	
| Li LI,Zhen-dong PING,Zhi-gang XU,Gui-ping WANG | 
| 图 5 研究路段的行车风险总熵以及车道平均熵 | 
| Fig.5 Total and lane average driving risk entropy of studied road section | 
						 
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