The relation between the correlation function of intensity variation and surface roughness parameter is derived through analyzing the second-order statistical properties of the speckle image.

分析此散斑图像的二阶统计特性，导出了强度变化的相关函数和表面粗糙度参数之间的关系。

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Second, the labor process is in accordance with accepted principles of social justice on the surface, which makes workers be more likely to recognize the status order reflected in this labor process.

第二，建筑装饰业的劳动过程在表面上按照公认的社会公正原则展开，使工人们更容易认可此劳动过程中形成与体现的地位秩序。

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A method to analyze reliability of gravity DAMS using the second order sequence response surface method is described.

提出了用二次序列响应面法分析重力坝可靠度的方法。

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