1) approx mass coefficient
近似质量系数
2) approximation quality
近似质量
1.
The degree of subdivision of the decision attribute value directly influences upon the approximation quality of rules,accuracy of approximation classification,core attributes and information entropy in decision systems based on rough set theory.
对基于粗糙集的决策系统,从理论上分析了决策数据细化的程度对规则近似质量、近似分类精度、核属性和信息熵的影响。
2.
This paper proves that upper approximation quality worsens as the feature set is pruned down,and puts forward an algorithm for feature extraction using upper approximation.
该文针对特征提取中存在的噪声污染问题 ,分析了采用粗集上近似进行特征提取可以处理含有噪声数据的原因 ;证明了上近似质量随着条件属性的压缩而降低 ,提出了一种基于集合上近似的质量来进行特征提取的算法 ,该算法以集合上近似质量为迭代准则 ,通过设置一阈值来求取θ -约简 ,得到所要提取的特
3) approximate quality
近似质量
1.
It was not fully reasonable to regard approximate quality as heuristic information in the existent attribution reduction algorithm based on Rough Set that has arisen at present.
在目前已出现的基于RoughSet的属性约简算法中,认为以近似质量为启发信息并非十分理想。
2.
On the other hand,it is not fully reasonable to regard approximate quality as heuristic information in attribution reduction algorith.
经研究发现,以近似质量作为启发信息并非十分理想,故以快速缩小搜索空间为目的设计了一个新的较为合理的度量属性重要性的计算公式,并给出了该公式的递归计算公式。
4) resemblance-near coefficient
似近系数
1.
Cluster analysis of karyotypies resemblance-near coefficient and evolutionary distance in twenty barrenworts;
20种淫羊藿属植物核型似近系数聚类分析和进化距离的估计
2.
Based on the method of karyotype resemblance-near coefficients, a software for cluster analysis is designed.
根据核型似近系数的聚类分析方法,利用Visual Basic编制了核型似近系数的聚类分析软件。
3.
We use the cluster analysis method of karyotype resemblance-near coefficient to the five population, and have got a nice result.
并应用核型似近系数对这五种群作了比较研究,展示了这五个种群的亲缘关
5) approximation subbands
近似系数
6) approximate numerosities
近似数量感
1.
Previous research has explored the approximate numerosities of human adults and infant, so this study chose the pre-school children in 3-5 years ol.
此外,本研究还探讨了儿童在完成比较任务和加法任务中的年龄发展趋势,以及后天的言语计数能力和算术能力发展对儿童近似数量感的影响。
补充资料:近似
相近或相像但不相同:这两个地区的方音有些~。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条