This paper based on literature review, avoiding the defect of dichotomy method, developing the family involvement index system.
本文在文献梳理和理论分析的基础上，避开二分法的缺陷，设计开发了家族涉入指数系统。
Developmental defect of enamel and dental caries in 1074 primary school children were investigated using the simplified DDE index.
本研究采用简化的DDE指数，对1074名城乡学龄前儿童进行乳牙釉质发育缺陷和龋齿的现况调查。
The essay narrates briefly the traditional definition and the unreasonableness of process capability index, and the source is that the definition of shift coefficient has defect.
本文简述工序能力指数的传统定义及其不合理性，其根源是偏移系数的定义有缺陷。
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