The modified asphalt technology gets the extensive use in two big domains at present: Building waterproof as well as flexible road surface.
改性沥青技术目前在两大领域得到广泛应用：建筑防水以及柔性路面。
Non-cohere granular stone is widely used as a kind of material of road pavements, and it's also widely used in base or sub-base of flexible road surface in overseas by now.
无粘结粒料是一种应用广泛的路面材料，至今仍然广泛用于国外柔性路面的基层和底基层。
The hierarchical processing model is flexible and efficient and can meet the complicated situation of the road surface.
分级处理模型灵活高效并能有效地适应复杂的路面图像情况，克服了传统的边缘检测方法的不足。
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