Lifting platform mechanical press is a device designed for the application of very high force form, shape or cutting material, compression of solid, or liquid extraction.
升降平台机械压力机是一种装置设计的应用非常高的力的形式，形状或切割材料，压缩的固体，或液体提取。
2
The contents in the paper include acoustic image preprocessing, feature extraction of texture and shape, and classifier design.
内容涉及声图像的预处理、纹理和形状特征的提取，以及分类器的设计等。
3
Shape feature extraction and description are one of important research topics in content-based image retrieval.