With this model, the elasticity factor of the rotation volume of passenger transportation will be developed.

运用此模型，对我国公路客运周转量的弹性系数进行了应用研究。

youdao

With this model, the elasticity factor of the rotation volume of passenger transportation will be developed.

运用此模型，对我国公路客运周转量的弹性系数进行了应用研究。

youdao