查询词典 rough calculation

The method connects the exponentially attenuating dividable auto-correlation function which is often used in the study of the lubricating behaviors of rough surfaces, to the theoretical model for studying the contact behaviors of rough surfaces and it will be a foundation for studying the lubrication and failure problems of sliding frictional pairs with anisotropic surfaces.

第三章对Onions-Archard的理论接触模型进行扩展，给出了计算各向异性粗糙表面接触性能的简便方法，并将粗糙表面润滑效应研究中常用的表征粗糙表面的指数衰减可分自相关函数和粗糙表面接触性能研究的理论模型联系了起来，为研究混合润滑工况下各向异性粗糙表面摩擦副的润滑和失效问题提供了基础。

Rough error processing that frequently used to digital filtering was taken as the research object,on the basis of difference method commonly used in the past and profile method of fractile method,a synthesis algorithm-fractile method based on difference method was proposed.The algorithm for processing the rough error data was perfected .The method had been used in a detection system and result is satisfactory.

对数字滤波系统中经常使用的数据处理算法做了综合处理，对于数据采集过程中所得数据做粗差判断处理为主要研究对象，在过去常用的差分法和分位数分布图法的基础上提出了一种综合处理方法-基于差分法的分位数方法，对系统中的粗差数据处理算法做了更完善的探讨，该方法已在实际检测系统中应用，效果显著。

A experiment was conducted to indagate the morbidity of maize rough dwarf virus in different planting methods and studied the effects of maize rough dwarf virus on the plant physiological characteristics of maize in four ecological regions of Shandong province.

在山东省4个不同生态区域调查研究了种植方式对玉米粗缩病发病率的影响，并研究了粗缩病对玉米植株特性的影响。

Furthermore, it can not define indiscernibility relationship when default data is included in rough data. In this dissertation, a new rough set model, which can be used to process original data which include default data, fuzzy data, or incomplete data, is proposed based on clustering methods.

本文从实际应用中存在缺值、不完全和噪音数据等问题为出发点，结合人机交互技术中数据挖掘的应用，研究分析了数据挖掘中的一些理论与方法，取得了以下主要研究成果： 1。

A model of rough sets under intuitionistic fuzzy equivalant relations is systematically investigated, and the definitions of pos itive field, dependence degree and nondependence degree are given. An attribute reduction algorithm based on intuitionistic fuzzy rough sets is particul arly analyzed,and the advantages and disadvantages are compared.

文中描述了直觉模糊等价关系下粗糙集的模型，并在此基础之上定义了正域、依赖度与非依赖度概念，然后详细分析了直觉模糊粗糙集属性约简算法。

It is stronger than pointwise rough and weaker than the strong rough in roughness.

它在粗性概念上强于点态粗而弱于强粗。

In the north, the open terrene and the rough climates make rough personality.

而北方地域辽阔，好多东西直来直去最便当，加上气候的粗糙，便成就了北方的粗旷性格。

The third very rough sea waves more formi- dable flush, I send out the thioindigo red changes blue, likes dark blue the sky, the very rough sea waves is strengthening, the blue light starts to change purple.

第三道巨浪更为强大的冲来，我发出的红光变蓝，像深蓝色的天空，巨浪在增强，蓝光开始变紫。

The result showed that the micro-nano rough structure fulfilled the Wenzel equation. This micro-nano rough structure could be seen by scanning electronic microscope.

结果表明，含氟碳聚丙烯酸酯乳液疏水涂层可产生符合Wenzel方程的微纳米级别的粗糙面。

4He am storing on a raised plattom in a corner of the room.he am a wizened old man dawn wrinkled expression or a sad expression.over his willer am thrhave a rough brhave coat,whichle torn or full of holes,his thick boots were old or patched ;or dawn first hor he leant on a rough stick,when dawn the other he held away his battered hat to mfirsty.

他站在屋子角落唯一支高的台子上，他是唯一老人，满脸的皱纹和悲伤的表情。他的肩膀上搭着一件粗糙，破烂的棕色外套，他的厚靴子上也打了补丁，他用唯一手倚着一根拐杖，另一只手拿他的破帽子讨钱。

I hope that this success is just the first in a long series.

我希望这只是成功的开始。

Three dimensional stresses on the interface of tire and soil, tire deflection and soil sinkage are measured.

测试轮胎——沙土界面上的三向应力、轮胎变形和沙土沉陷；建立考虑剪切应力对沙土承载特性产生影响的车轮牵引性能预测模型；分析车轮作用下土壤的纵向稳定性。