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。
Absrtact: This paper makes a deep survey on the theory and contents of the index system of developmental evaluation of general high school teachers.
摘要：采用访谈、调查等方法对体育教师发展性评价理论与评价指标体系进行研究。
At last, this article is an approach to the index system of the developmental level of China's community business and some advices of improvement.
最后，针对中国社区商业存在的问题，提出了中国社区商业建设水平的指标体系和一些改进建议。
Stomatal index in the epidermis of different organs changed variably during the developmental stages.
气孔指数在各器官上的变化规律差异较大。
The developmental threshold was fixed at 26 of disease index based on the relative error margin analysis.
根据感病损失量方程，病情很轻时损失甚微，经相对误差限法分析，将病情指数26定为该病的发生指标。
The developmental threshold was fixed at 26 of disease index based on the relative error margin analysis.
根据感病损失量方程，病情很轻时损失甚微，经相对误差限法分析，将病情指数26定为该病的发生指标。
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