roughness index

常见例句

In the paper, the fractal dimension and roughness index of fracture surface in concrete were calculated.
基于激光三角测距原理，提出了一种新的分析混凝土断裂面的测量方法。
The correlation between the standard classified road power spectral density(PSD) and international roughness index(IRI) was discussed by using regressive analysis.
通过回归分析的方法对标准分级道路功率谱密度与相应国际平整度指数之间的关系进行了研究。
This paper through the analysis and study of the law of pavement roughness index IRI over developing with time points out using exponential smoothing method to improve forecast accuracy.
通过对路面平整度指数IRI随时间发展规律的分析与研究，提出采用指数平滑法来提高预测精度。