The wavelet has the good multi-resolution decomposition features, which both have a significant compression of image data, but also retain most of the information of an image.
而小波变换多分辨率分解的优良特性，既能大幅度的压缩图像数据，又能很好的保留图像的绝大部分的信息。
The combined algorithm can retain the advantage of high efficiency of original A-C algorithm under worst case and also introduce the high compression on pattern match database.
融合之后的算法不仅保持了原a - C算法在最差情形下也能保持高效的特点，还可以对存储模式特征的数据库进行了很大的压缩。
The results show (1) the bigger compression rate is, the less recovery of set is. The wood specimens were able to retain almost complete setting when compression rate is bigger than 45%.
结果表明：（1）随着压缩率的增加，木材压缩弹性恢复率减少，当压缩率大于45％时，试件基本定形；
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