This paper discusses various factors which affect the dimensional torlerence of products of precise mould and offers a multi-object optimal method for designing cavity dimensions of precise mould.

综合考虑了影响精密型腔模具成型产品零件尺寸公差的各种因素，提出了模具成型尺寸的多目标优化方法。

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Optimal band selection and combination of multi-spectrum data is the key for image enhancement, it directly influences eye estimation and object information distilled.

多光谱遥感数据的最佳波段选取与组合是遥感图像增强处理的关键部分，直接影响到图像的目视解译和研究对象的信息提取。

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