Suggested values of pile group horizontal foundation coefficients are given through comparison between observation data and theoretical calculation values.

通过实测资料和理论计算值的比较，提出了群桩水平地基系数的建议值。

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Sensitive coefficients of engine circumference temperature distortion were derived. A group of temperature distortion parameters with most influence on steady operation was finally determined.

得到了发动机的周向温度畸变敏感系数，最终确定了对发动机稳定工作影响最大的一组温度畸变参数。

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A steganalysis algorithm based on statistical characteristics of DCT (Discrete Cosine Transform) coefficients for JPEG (Joint Photographic Experts Group) image was proposed.

提出了一种基于DCT(离散余弦变换)系数统计特性的JPEG图像隐写分析算法。

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