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

单词	flow-density relation
释义	flow-density relation Encyclopedia 工学交通流模型释 flow-density relation流量密度关系流量与密度呈现抛物线关系，当密度为零，流量为零，密度逐渐增大到最佳密度，则流量增加到最大流量，随后密度逐渐增大，流量逐渐减小，密度达到阻塞密度时，流量为零。
随便看	ecological security policy ecological security shield ecological self ecological sensitivity analysis ecological service value of land system ecological simulation ecological site of rangeland Ecological Society of America Ecological Society of China ecological sociology ecological space ecological specialization ecological species ecological sports ecological stoichiometry ecological strategy theory ecological stress ecological study ecological succession Ecological suitability ecological suitability ecological suitability assessment ecological system ecological systems theory ecological tea gardens

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