“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	induction acceleration induction accelerator inductional assumption induction assumption induction axiom induction base induction by simple enumeration induction by stages induction coefficient induction coil induction condition induction coupling plasma mass spectrum analysis induction current induction drag induction effect induction electromotive force induction expression induction field induction field locator induction fields induction force induction formula induction function induction furnace induction furnace melting

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