According to the existent regulations of the transportation administration departments, express companies must use freight carriers to transport express items.

按照交通运管部门现有的相关法规，快递企业必须使用货运车辆运送快件。

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As an advanced model of transportation organization, the system of highway express freight transportation has realized rapid, safety, right and "door-to-door" service.

公路快速货运系统作为一种先进的运输组织形式，能够提供快速、安全、准确和“门到门”的运输服务。

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The calculating of the network capacity of multimodal express freight transportation system is a important field of network planning management and evaluation.

综合运输快捷货物运输网络运输能力计算是综合运输网络规划管理与评价的重要领域。

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