This paper introduces one item named variance rate of gray level and improves the maximum-minimum method by simplifying the noise examination process for suppressing the random impulsive noise.
引入灰度变化率的概念，并据此提出了一种去除随机脉冲噪声的改进算法，将其用于噪声点的检测，简化了最大-最小值方法中的噪声检测过程。
Methods 696 community residents over 35 years old were selected by random cluster sampling, questionnaire, physical examination and blood glucose examination.
方法采用整群随机抽样的方法抽取696名35岁以上社区居民，开展问卷调查并进行体格检查及血糖检查。
The system of selecting judges at the end of Qing Dynasty went through the process from selecting based upon experience and longevity at random to selecting based upon examination.
清末法官选拔制度经历了以资历和经验为标准的随机选拔到以考试选拔法官的过程。
The quality of random auto-examination set is based heavy on the accuracy of exam-question score probability and probability distribution of answer-question time.
自动随机组卷的考试质量严重地依赖于试题库试题的得分概率和答题时间概率分布的准确程度。
By using this system one can not only edit freely the paper and graphics on the screen, but also make an examination paper by selecting random model according to the users' demands.
采用该系统后，用户可以在屏幕上任意编辑试题和相应的图形，并可根据决策者的要求利用随机抽题模型生成试卷。
In order to know the situation about the nursing infant knowledge of pregnant women, 160 pregnant women who have accepted the prenatal examination were investigated by the random sampling.
采用随机抽样的方法，在产前门诊随机抽取了160例接受产前检查的孕妇，以了解孕妇掌握育儿知识的情况。
The paper describes the feature of the automatic generation system for examination ID CARDS, the strategy of random scheduling and the main algorithm for creating examination ID CARDS.
论述了考场考证自动生成系统的特点，随机生成考证的策略及考证生成的主要算法。
The paper describes the feature of the automatic generation system for examination ID CARDS, the strategy of random scheduling and the main algorithm for creating examination ID CARDS.
论述了考场考证自动生成系统的特点，随机生成考证的策略及考证生成的主要算法。
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