结果经分析自2001～2004年的室间质量评定结果发现，血细胞各项目检测结果的CV值和合格率均有明显的提高。
Results Notable improvements in CV and acceptance ratio of all items were found by analyzing the external quality evaluation results from 2001 to 2004.
结果：经统计学分析，各组之间均有显著性差异，托槽的脱落与各种性格类型之间存在一定的关系。
Results According to statistic analysis, there is significant difference among each group, there is certain relation between brackets bond failure and various kinds of Characters.
方法：在临床肉眼诊断的基础上，采用DP法对皮肤肿瘤进行辅助诊断，后经组织病理确诊，将诊断结果进行对照与回顾性分析。
Method: on the basis of visual diagnosis, DP diagnosis of skin tumor is carried out, and after histopathological diagnosis, comparison and retrospective analysis are made on the diagnostic results.
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