该文讨论了文本倾向识别中的置信度的基本原理，介绍了假设检验和区间估计在文本倾向识别中的应用。
In this paper, the theory of confidence measures is introduced in the context of text tendency recognition, the applications of hypothesis testing and interval estimating are described.
打个比方，置信区间可以用来测试一个调查的可信度。
For example, a CI can be used to describe how reliable survey results are.
通过引入可靠度的置信区间和置信度的概念，可以把结构分析中的随机参数转化为置信区间下的区间数。
Using concepts of the confidence interval and degree of confidence, random parameters in an engineering structure can be transferred into the interval Numbers.
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