As the fatigue failure of asphalt pavement which caused by axle load changes with season, the effect of season should be considered when axle load transformation computation is made.

由于不同季节轴载对沥青路面疲劳损坏影响的不同，应在轴载换算时进行季节修正。

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Aiming at synopsis computation of approximate query in data stream, a novel wavelet transformation algorithm, Minimum Error based Dimension Compression (MEDC) algorithm, is proposed in this paper.

针对数据流上近似查询中的梗概计算，提出了一种新的基于最小误差的维压缩小波变换算法(MEDC)。

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This paper deals with the multivariate vector analysis of quality data by geometric transformation, rotating coordinates and computation of the principal component of initial variables.

本文讨论多元质量数据的矢量分析方法，几何变换，坐标旋转和初始变量的主分量计算不同变量的主分量值。

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