道路分类 meaning in Chinese

classification of road

In this paper , we use the method of system dynamics in order to conclude the model about forecast road developing scale in the future . then , we put forward the criterion of judging the rationality of urban road ' s grade structure after expounding the classification in china and other countries
同时，通过运用系统动力学的方法，建立了城市道路发展规模测算的系统动力学模型，并在阐述国内外城市道路分类和功能定位的基础上，提出了判断城市道路网等级结构合理性的依据，据此建立了判断方法。