求翻译：应急物流的组织是一个系统化、专门化的工程,其难点在于受灾人口多、对救灾物资的需求量大、需求频率高, 物资的来源广, 调配涉及的部门多, 运路途艰难, 灾区环境恶劣。是什么意思？

Emergency logistics organization is a systematic, specialized engineering, the difficulty lies in the affected population, demand for relief supplies, the demand for high frequency, wide source of materials, deployment involves many departments, and transport journey is difficult, the disaster area

Contingency logistics organization is a specialized system, and the engineering, the difficulty lies in the affected population, the demand relief supplies and the demand high frequencies and the source material, the sector allocation of road transport, environment, disaster areas.

The emergency physical distribution organization is a systematized, the specialized project, its difficulty lies in the disaster population much, to the relief materials demand big, the demand frequency is high, the commodity origin is broad, mixes the department which involves to be many, transport

Emergency logistics organization is a systematic and specialized engineering, the difficulty is that the affected population, demand for relief supplies, high demand frequency, material sources of wide deployment involves many departments, Wan Road is difficult and poor conditions in the disaster ar

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