The study is of great practical importance and reference value in improvement on road efficiency and service level, and in compilation of relevant design specifications.
其研究成果对于提高道路的利用效率和服务水平，修编城市道路设计规范皆具有重要的实用意义和参考价值。
High luminous efficiency, low power consumption and long service life. Road, square, dock, station and enterprises lighting.
发光效率高，耗电少，寿命长。适用于道路、广场、码头、车站及工矿企业照明。
Whether the highway administration system is good or not, is related to enhance the efficiency of investment of road, is related to the quality of road conditions and the level of social service.
公路管理体制是公路事业的依托，公路管理体制的优劣，关系到能否有效地提高养路资金的使用效益，关系到公路的路况质量和为社会公众服务的水平。
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