...对象所组成的集合,记为NEG(X).显然,月’∽)+NEG(X)=论域c厂. 定义2.5.[53】集合x关于R的边界区(boundary region)为集合x关于R的上近似与下近似之差,记为BN(X),即 BN(X)=R‘(x)一冗。
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Boundary Region 边界域; 边界区; 有界区间; 边界层 收藏 Boundary regularity 开关磁阻电机; 开关磁阻电机(SRM); 关磁阻电机; 开关磁阻电动机; 边界正则性 收藏
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定义3—8:集合X的边界域(Boundary region)定义为拥月Ⅸ)=尺(X)一星(X); 如果舳(X)是空集刀,则称X关于尺是清晰的;反之则称集合X为关于尺的粗糙集。
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the boundary region 适用界域
city boundary region 城市边界区域
plane boundary region 平面边缘区域
Yunnan boundary region 云南边境地带
fusion boundary region 熔池边界区
Boundary region coverage 边界区域覆盖
sun-lit boundary region 日照边缘区域
In order to settle the problem that traditional methods can not classify noisy data, the algorithm chooses the boundary region of rough sets as the criteria of selecting partitional attributees.
该算法采用β-边界域作为选择分类属性的标准,因此解决了不能对噪声数据进行分类的问题。
参考来源 - 基于粗糙集的数据挖掘算法的研究与应用·2,447,543篇论文数据,部分数据来源于NoteExpress
The structure of nozzle arc, thermal boundary region and gas flow is revealed through establishing magnetohydrodynamics (MHD) model.
建立的喷口电弧磁流体动力学(MHD)数学模型,揭示了喷口电弧、热边界区、外部气流场的组成结构。
Through the theoretical calculation, the radial and axial temperature distribution of arc column and the thermal boundary region were obtained.
通过测量和分析计算获得了弧柱和热区的径向及轴向温度分布。
And on the basis of this, how to reduce the tension in the boundary region so as to help our two countries better resolve the disputes over the boundary issue?
在此基础上,如何能降低边境地区的紧张局势,帮助我们两国更好地解决边界问题的争议?
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