中文摘要：

定制需求是产品定制的核心要素，分析了定制需求的特点，讨论了定制需求表达的过程和主要形式。对定制需求提出了一种网状树形分解结构模型，表示定制需求的属性类别及其继承关系，采用树形结构的节点表示需求的属性和粒度，有助于准确把握客户定制需求。对高压开关柜的定制需求进行了分析和分解，符合高压开关柜定制的实际情形。

英文摘要：

Customization customers and product customization modes were studied. Customization demands are the key element, and the characteristics of the demands were analyzed. The processes and main modalities of expressing customization demands were discussed. A model of reticulation tree -like was proposed to express the attribute types and inherited relationship for customization de- mands, and the nodes of the tree--like structure can be used to express the attribute and granularity of the demands, to contribute to holding customers＇ customization demands accurately. The customi- zation demands for high-pressure switch tank is analyzed and disassembled, and the results indicate that it is accordant with the real situation for the high-pressure switch tank customized by a customer.