查询词典 reduction

According the experimental results, the ionic conductivity constant and reduction equilibrium constant can be estimated.

根据实验的结果，更能推导出离子导电系数及还原平衡常数。

Calculating the equivalence class U/C and the discernibility matrices size are the two main factors which affect the efficiency of the attribute reduction algorithm based on discernibility matrices.

影响基于差别矩阵的属性约简算法效率的主要因素有计算U/C等价类和差别矩阵的大小。

Based on rough set theory, research in this paper mainly focuses on mining rules from decision system.Based on the research of the basic concepts of rough set, we deeply analysis and discuss the approximation set algorithm, equivalence class algorithm, core algorithm, attribute reduction algorithm, rules extract algorithm etc.

本文首先对数据挖掘和知识发现作一概述，并论述了粗糙集理论的重要概念及其度量，基于这些概念和度量，具体分析了粗糙集理论的近似集算法、核算法、属性约简算法、规则提取算法，给出了它们的算法分析以及具体实现步骤。

The solvability can not be sidestepped, for it relates the problem of equivalence of boundary reduction.

人们在用直接边界元方法进行计算时，并不刻意去考虑积分方程的可解性，但可解性的问题是不能回避的，这涉及到原问题的解与边界积分方程的解的等价性问题。

To solve this problem,the equivalence relation of rough set theory is replaced by an asymmetrical similar relation,and from this relation,an asymmetrical similar matrix is defined,then a new heuristic algorithm with less space complexity that require core and knowledge reduction based on asymmetrical similar matrix is proposed,and an example is given to confirm the validity of the algorithm.

用非对称相似关系代替粗糙集理论中的等价关系，定义了非对称相似差别矩阵，提出了基于非对称相似差别矩阵的高效求核和知识约简算法。该算法无需改变初始不完备信息系统的结构，能直接处理缺省数据。实验结果表明，新算法所获得的决策规则简洁、高效，与缺省值无关。

Owing to the strong condition of equivalence relation, there exist some limits, and It has been proved to be NP-Hard to find all reductions and a minimal reduction.

由于等价关系条件较强，有一定的局限性，已经证明求所有约简和最小约简是NP-Hard问题。

This study proposes inrush current reduction based on increasing the inrush equivalent inductance by changing the coil winding distribution.

本论文针对变压器结构设计著手，以变更变压器二次侧线圈分布架构，达到有效降低涌入电流的目的。

For equivalent discernibility matrix has equivalent attribute reduction,the domain is partitioned into compatible and imcompatible elements in this paper.

利用等价差别矩阵具有相同属性约简的思想，将元素对象分割成相容对象与矛盾对象，通过对参与构造差别矩阵的行与列元素进行约简，减少了某些重复计算过程，提高了计算效率。

The plan calls for the reduction of carbon dioxide equivalent emissions per unit of production, and cutting additional emissions through more efficient product transportation.

该计划要求的二氧化碳排放当量单位产量的减少，以及切割通过更加有效的产品运输额外排放。

Approximate equivalent transformation includes expanding process and reduction process.

约等价变换过程包括知识的约等价扩充和约等价约简。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失