本文针对教学系统的实际情况，对关联分析中置信度的计算方法进行了改进，以提高模式发现的准确性。
According to the actual situation of the educational system, this thesis has improved the computing method of the confidence to enhance the accuracy of the patterns founded.
结果表明该曲线精度高，置信度良好，可以直接应用于测定工程实际中的混凝土构件或结构的强度。
The results show that the rating curve established in this study can be applied to resilience method for determining the compression strength of the concrete in engineering structures.
将用户要求的品种特性和品种的实际特性进行比较分析，通过计算品种置信度，建立了品种选择模型。
By comparatively analyzing the user requirements and variety characteristics, the variety selection model was developed by calculating the confident level of variety.
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