查询词典 rough calculation

3He was a strange,rough fellow,with a freckled face and red,rough bear

他长得又怪又粗糙，一脸的雀斑，一个蓬乱的红胡子

They stretch out, the matte green of their leaves conveying what it would be like to touch them, to run your finger down the blade and feel the rough resistance of these durable plants' skin: the gama grass, rough hair grass and broom beard grass.

瓜地马拉草、翦股颖和小蓝茎草的细长叶片四处伸展，黯淡的表面想也知道摸起来大概是怎样的质感，用指头顺著叶脉滑下，就可感受到这些强韧植物的粗糙叶面。

Secondly, the rough set theory and data preprocessing are introduced and the general application procedure of rough set theory in data mining is analyzed. Then the authors researches on data discretization and attribute reduction are introduced in detail.

然后，论文对粗糙集理论和数据预处理从理论和技术上做了一些介绍，并对数据挖掘中的各环节运用粗糙集理论的方法进行了分析；随后论文重点对作者在数据离散和属性约简两个方面做的研究工作进行了阐述。

It is thought by analyses that the cause of piebald wire is reffection diference of light at rough surface which is due to higher temperature and higher O 2 content in furnace in annealing of half finished product to make steel wire oxidation loss ,to make steel wire face rough after acid pickling.

分析认为形成"花丝"的原因是半成品在退火时由于炉温过高及炉内富氧造成氧化烧损、酸洗后的钢丝表面粗糙，对光的反射与正常表面不一样所致。

The uncertainty measure for rough sets is one of the key problems in rough set theory.

粗糙集的不确定性度量是粗糙集理论中的关键问题之一。

To better tackle these problems, the design of the rough neural network based on variable precision rough set model, in which the majority inclusion relation is used, is studied.

为更好地解决这些问题，研究了基于"多数包含关系"的变精度粗糙集模型下的粗集神经网络设计。

This paper presents a novel rough set model based on concordance relation, according to which the objects are less indiscernible and tolerant on the basis of classical and torlerant rough sets.

在传统的粗糙集模型和相容粗糙集模型基础上，通过松弛对象之间的不可分辨和相容性条件，给出了一种新的基于和谐关系的粗糙集模型。

Advanced by Z.Pawlak in 1982,the rough set theory analyzes inadequate information efficiently such as inexactitude or dissonant information.The advantage of the rough set theory is no need of any initial or extra information such as the probability dispersal of statistics and so on.

Z.Pawlak于1982年提出的Rough集理论有效地分析了不确定、不精确、不一致等各种不完备信息，其优点是无需任何关于数据的初始的或附加的信息，如统计学中的概率分布。

On the generalization of rough set theory, molecular lattice was introduced into rough set theory as the base algebra.

关于粗糙集理论的拓展问题，将分子格引入到粗糙集理论，本文试图将近似算子作进一步抽象与推广。

In the meanwhile,we also establish the boundedness results of the higher order commutators generated by Hardy-Littlewood maximal operator with rough kernels and corresponding fractional maximal operator with rough kernels on MK_~.

同时还建立了Hardy-Littlewood极大粗糙算子和相应的分数次极大粗糙算子所生成的高阶交换子在MK_~上的有界性。

Now he worked in ajoint venture.

现在他在一家合资企业工作。

More troops in Afghanistan won't change any of the foregoing.

更多的在阿富汗的军队也不会改变之前的状况。