考虑到沙漠地区特殊的地理条件，沙漠公路路面材料的设计和应用要遵循适用性、可行性和经济性的原则。
Because of the special geographical condition of the desert area, the pavement material design and application for desert highway must comply with the principle of utility, feasibility and economy.
本研究提出的病害处治措施，既考虑到公路建设中的经济性的原则，又能使之力学性能和稳定性能够满足要求，适合我国西部黄土地区的公路建设，具有很强的推广应用价值。
The measure of dealing with diseases of cut in loess is feasible for the sake of its economy. It is suitable for the highway construction of western area of our country and should be generalized.
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