Using the idea of function quality deployment for reference, the weightiness score of sub-function from the customer needs is obtained by associating the need scores with sub-functions.

• 基于功能质量配置的思想，通过匹配用户需求评价与产品子功能来获得反映用户需求的产品子功能重要性评价，将子性能评价聚合等级作为量化指标纳入与子功能名称相一致的性能描述构架维坐标，实现子功能因素空间状态的确定；