roughness index

常見例句

雙語例句

• In the paper, the fractal dimension and roughness index of fracture surface in concrete were calculated.
  基于激光三角測距原理，提出了一種新的分析混凝土斷裂面的測量方法。
• The correlation between the standard classified road power spectral density(PSD) and international roughness index(IRI) was discussed by using regressive analysis.
  通過回歸分析的方法對標(biāo)準(zhǔn)分級道路功率譜密度與相應(yīng)國際平整度指數(shù)之間的關(guān)系進(jìn)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.
  通過對路面平整度指數(shù)IRI隨時間發(fā)展規(guī)律的分析與研究，提出采用指數(shù)平滑法來提高預(yù)測精度。
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