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- The authors described the conception of index IRI on road surtace condifion,by establishing digital terrain model of international roughness index(IRI). 通过建立国际平整度指数(IRI)的数字地面模型来描述基于道路面状的IRI指标概念。
- Although it has accumulative errors in the absolute elevation of vertical section, it will not affect international roughness index (IRI) significantly. 该方法对绝对高程的求解存在较大累积误差，但对国际平整度指数影响较小。
- international roughness index (IRI) 国际平整度指数（IRI）
- IRI The International Roughness Index Detection Based on Doppler Ultrasound 用超声多普勒测定路面国际平整度指数
- Mathematics Solution of International Roughness Index under Dynamic Load Action 动荷载作用下国际平整度的数值求解
- Assure the minimum hortative wavelength by the international roughness index 由国际平整度指数确定路面激励最小波长
- Study and validation of the relationship between international roughness index and power spectral density 国际平整度指数与路面功率谱密度相关关系研究及验证
- Standard Practice for Computing International Roughness Index of Roads from Longitudinal Profile Measurements 从纵剖面测量计算道路国际粗糙度指数的标准操作规程
- international roughness index 国际平整度指数
- Intemationnal Roughness Index (IRI) 国际平整度指标（IRI）
- The kidnapping caused an international incident. 这一绑架事件引起了国际纠纷。
- The country violated the international agreement. 这个国家违反了国际协议。
- That is a great international question of the day. 那是当代的一个重大国际问题。
- The cast of the play included a international star. 这个剧的演员名单中有一位国际明星。
- The company is an international trader in grain. 这家公司是国际粮食贸易公司。
- It is a report on the international situation. 这是一篇有关国际形势的报告。
- I think international calls are very expensive. 我认为国际电话费用很高。
- He majored in international commerce in college. 他大学时的专业是国际贸易。
- Doctor Bethune is a great international fighter. 白求恩大夫是个伟大的国际主义战士。
