“velocity-density relation”的概念、定义、翻译、参考文献-科学参考

单词	velocity-density relation
释义	velocity-density relation Encyclopedia 工学交通流模型释 velocity-density relation速度密度关系速度与密度呈现线性关系。当密度从零逐渐增大，则车速从自由流速度逐渐减小；密度达到最佳密度时，车速为流量最大时对应的速度（最佳速度）；当密度达到阻塞密度时，车速为零，交通阻塞。
随便看	opera stage in Guandi Temple of North Mountain opera stage in Guangdong Guild Hall(Cheng Du) opera stage in Houtu Taoist Temple of Jie Xiu opera stage in Macau A Ma Temple opera stage in Qiaoze Temple of Yicheng county opera stage in Shenyang Imperial Palace opera stage in Taishan Palace of Fuzhou opera stage in the former residence of Kung Hsiang-hsi opera stages at Quanzhou Yuanmiao Monastery opera stele inscriptions opera stone sculpture collected at Sun Yat-sen University opera students opera suit of a jacket with lining and trousers opera symbolism opera teachers opera technical director operate to the left operate to the right Opera Theaters of Bukit Mertajam, Penang operatic actor’s waist tag granted by Shengping Bureau of Qing Dynasty operatic brick engravings at City God Temple of Chengguan Town, Shengzhou City operatic carvings at Jiuxiang Chastity and Filial Piety Stone Archway operatic ceremonial weaponry of the Qing Dynasty in Lingbao City operatic composition operatic copperplate etchings of the Qing Dynasty

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