While wavelet transform is suitable in image compression due to its multi-resolution and multi-scale analysis property, and is used in the standards of image compression.

小波变换具有多分辨率和多尺度特性，特别适合于二维图像信号的处理，目前已应用在静止图像的压缩标准中。

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Based on the homogenization theory, the multi-scale analysis methods of the viscoelastic property, and the effective thermal stress relaxation laws are studied.

基于均匀化理论研究了复合材料粘弹性分析的多尺度方法，以及复合材料等效热应力松弛规律。

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Introduces the structure. function. main property. operating steps and multi-molds curing process of autoclave bag, and makes a analysis of its social and economic benefits.

介绍了自行研制开发的工程胎胶囊定型机的结构、功能、主要特点、操作步骤及硫化罐胶囊多模硫化工艺，并对其社会及经济效益作了分析。

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