The paper introduces the classification of bituminous emulsion, the application in road construction and maintenance project as well as the superiority in comparison with normal hot-mix bitumen.
介绍乳化沥青的分类，它在道路建设及养护工程中的应用以及与普通热拌沥青相比的优势。
2
This paper discusses about the extraction of urban road information from an IKONOS image using a hierarchical classification technique.
本文以南京城区为例，重点讨论了基于IKONOS影像的城市道路信息分层分类的自动提取方法。
3
It concretely introduces the classification of disease of old cement pavement on this road sector, the key order for and the treatment countermeasure.