先前它只是隐匿起来了，被更加粗糙的困难所淹没，并且在这些粗糙的问题被解决之后，人们才将他们的目光聚焦在这个新问题上。
It was just hidden previously and swamped by a more crude difficulty and, when the cruder difficulty is explained away, people focus their attention on the new difficulty.
法兰表面粗糙度对密封效果影响很大，特别是当采用非软质垫片时，密封表面粗糙的度值大是造成泄露的主要原因之一。
Flange surface roughness of the influence, especially sealing effect when using the soft cushion, seal surface coarse degree value big are caused by the leak is one of the main reasons why.
本文讨论了一种新型的智能控制方法—粗糙控制，介绍了粗糙集合理论的基本概念。
This paper discusses a new intelligent control method called rough control, and presents the basic concepts of rough set theory.
本文通过粗糙度切削试验，分析讨论了车床主轴油膜减振支承对其加工粗糙度的影响。
This article analyses the influence of the support of oil film vibration damping of the main spindle on cutting degree of roughness through cutting test.
针对表面粗糙度和形位误差对圆柱体直径评定结果的影响，在进行圆柱体直径尺寸评定时，需要对表面粗糙度进行滤波处理。
As roughness and form & position errors have an effect on evaluation result of cylinder diameters, it is necessary that roughness is filtered for evaluating cylinder diameters size.
一般情况下，超疏水表面可以通过两种方法来制备：在疏水性表面构建粗糙结构或者在粗糙表面修饰低表面能物质。
One is to create a rough structure on a hydrophobic surface, and the other is to modify a rough surface by materials with low surface free energy.
经加工试验证明了该表面粗糙度预测模型的有效性，从而实现加工前在确定切削条件下预测和控制表面粗糙度的目的。
It proves that this prediction model is effective by machining experiments. Using prediction model can predict and control surface roughness under certain condition.
在表面粗糙度的影响因素和影响规律方面：主要研究了残留面积高度、走刀行距、每齿进给率和最优化走刀路径对零件加工表面粗糙度的影响。
For influence factors and rules of machined surface roughness, we studied on the influence factors of machined surface roughness such as scallop-height, path interval, feed rate and optimum tool path.
在粗糙集理论及粗糙模糊集理论中，上下近似及边界的求解与决策表属性约简是它们的核心内容。
In the rough set theory and rough-fuzzy set theory, computation of approximations and edge and attributes reduction of decision table is import part of them.
作者研究了粗糙集扩展理论，提出了一种多层粗糙集模型CBM-RS。 该模型是一种基于覆盖的扩展的多层粗糙集模型。
The thesis studies the generalized rough set models and proposes a multi-level rough set approximation model CBM-RS based on a covering of the universe.
利用粗糙集合理论对控制量作了粗糙化，实现了控制系统的变精度控制。
Applying the rough set theory make the controlling quantity roughened, and realizes a variable precision control.
岩石的粗糙度。范围从0(很平滑的岩石)到1(很粗糙的岩石)。缺省值是0.707。
Roughness of the rock. The range is 0 (very smooth rock) to 1 (very rough rock). The default is 0.707.
给出了粗糙神经网络的拓朴结构和学习算法以及粗糙神经网络的逼近定理。
The topologic structure and learning algorithm of the rough neural network are given, and the approximation theorem of the rough neural network is presented.
头顶毛发粗糙，有粗糙的胡须、眉毛，雪纳瑞的典型外观。
Coarse hair on top of head; harsh beard and eyebrows, the Schnauzer hallmark.
比较了高斯粗糙面和分形粗糙面的散射截面分布情况，分析了粗糙面不同均方根斜率对遮蔽效应的影响。
The distributions of the scattering cross section for the Gaussian rough surface and fractal surface are compared and the influence of different surface RMS slopes on the shadowing effect is analyzed.
分析了影响齿轮表面粗糙度的因素，提出了改善齿轮表面粗糙度的措施。
Ihis paper analyses factors of affecting gear surface's roughness and presents the relevant improvement method.
提出了粗糙信息熵的概念，证明了粗糙集理论中知识不确定性与其所对应的粗糙信息熵之间的单调关系。
The concept of rough entropy is proposed. The monotony between the uncertainty of knowledge in the rough set theory and its corresponding rough entropy is proved.
首先本文将粗糙集理论与模糊集理论进行比较，通过粗糙隶属函数将模糊集的研究方法引入到粗糙集的研究中。
In this paper, firstly we compare RST with fuzzy Sets Theory and introduce fuzzy method into the study of RST by the rough membership function.
通过对不同基底薄膜表面形貌图的对比得知，基底粗糙度对薄膜表面粗糙度有较大的影响。
By comparison of morphology pictures with different substrates, the roughness of films were known greatly affected by substrates.
文中首先阐述了软件测试相关的基本概念，然后介绍了粗糙集理论基本概念和基于粗糙集理论的数据约简。
The prime concept of software testing is presented, then introduces the prime concept of rough set theory and the data reduction method based on rough set.
而可变精度粗糙集作为对经典粗糙集理论的扩展，体现了等价类与集合的重叠度程度上的差别。
As the extension of rough set, variable precision rough set reflects the difference of degrees of overlap of kinds and sets.
结合粗糙集和模糊神经网络提出了一种粗糙模糊神经网络识别器的模型。
A model of rough fuzzy neural network classifier was presented by combining rough set and fuzzy neural network.
研究了半环的粗糙子半环和粗糙理想的性质；
The paper suggests the properties of rough subsemirings and rough ideal.
粗糙表面的计算机模拟是建立粗糙表面模型进而对粗糙表面间相互作用进行模拟研究的前提。
To simulate the roughness surface is the pre-condition that builds the roughness model and simulates the interaction of two contacted surface.
反映地表粗糙状况特征量的地表粗糙度是非线性的，可以用分形去刻划。
Surface roughness degree which represents characteristic quantity of grade of land surface roughness is nonlinear, and can be described by fractal dimension.
利用风速廓线法测定小麦不同生长期的空气动力学粗糙度：青苗期的平均粗糙度最大，为6。
Using wind velocity profile law determinate the aerodynamic roughness length of wheats different growth periods: the average roughness of shooting period, is 6.
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。
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 tolerant 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。
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 tolerant rough sets.
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