unit of traffic

Road net density and stations density are two important indications which can reflect the difference in the distribution of urban public traffic facilities, since there is great difference in the lengths of roads and in the number of bus stations per unit area in the urban different location.

城市的不同区位，单位面积所分布的路长、设立的公交站点数差别很大，故路网密度与公交站点密度是体现公交设施空间分布差异性的重要指标。

By the analysis of terminal traffic net structure, we established the traffic net model, in which we take road sections as the basic unit. and intersection safety model.

通过对码头路网结构的分析，建立了以路段为基本单元的码头路网模型和交叉路口安全模型；

The gradation is obtained using Arc/ Info and the evaluation unit are decided through buffer area analysis of traffic and penstock and multi-layers overlapping.

利用Arc/Info软件矢量化提取相关图层后，对道路、水渠作缓冲区分析和多图层叠加确定评价单元；

If the unit was considered as subjects of crimes of traffic accident, it was not consistent with the principle of restraint and would bring a chaos into the punishment of the criminal crime.

把单位作为交通肇事罪的主体，既不符合刑法的谦抑性原理，又会使刑罚处罚主体造成混乱。

The thesis expounds the structure of the traffic measure unit and makeup of subschema.

详细阐述了流量计量单元的总体结构与子模块组成。