摘要：粗糙集是用来处理不确定、不完备数据的重要工具之一。
Absrtact: Rough set theory is a new mathematical tool to research imprecise and incomplete data.
基于粗糙集理论的不完备数据分析方法，以可辨识矩阵作为算法的基础，提出了一种改进的不完备数据分析方法。
Based on an incomplete data analysis method of the rough set theory and the distinguish matrix, bring forward an improved ROUSTIDA algorithm.
气候研究批评家们认为数据不完备，气候模型靠不住，预测不确定。
Critics of climate research argue the data are incomplete, the climate modelling uncertain, the predictions inconclusive.
随着信息越来越完备，专家对增长数据进行例行修正。
Experts made this routine revision of the growth figures as more complete information became available.
在进行风险分析和评估过程中，经常遇到样本信息不充分，数据不完备，即小样本问题。
During analyzing and estimating the risk, we often meet with the situation of inadequate sample information and incomplete data, that is, small-sample problem.
为了能够从不完备决策表（IDT）中进行知识发现和数据挖掘，提出一种新的具有对称性的双重可变精度限制容差关系粗集模型（VPLTRST）。
To obtain knowledge and data from incomplete decision table(IDT), the paper presents a new doubly variable precision limited tolerance rough set theory model(VPLTRST).
本系统可以根据实际情况及时更新交通网络信息，为区域交通网络运输组织和管理提供准确完备的基础数据，并为网络规划工作做好准备。
The system can update network information, offer accurate and complete data for the transportation operation and management, and prepare for network planning in advance.
还针对编码针孔准直器的投影混叠问题，讨论了投影数据完备性和体积图像的重建方法。
Because of the projection image overlap due to coded-pinhole collimator, the completeness of projection data and volume image reconstruction algorithm are discussed.
为解决空间网格结构模态测试中的传感器位置优化布置问题，提高采集数据信息的完备性，采用遗传算法优化传感器布置位置。
The genetic algorithms was adopted to optimize sensor placement and enhance completeness of the test data in the space grid structure modal test.
介绍了大型卧螺机自动控制及模态分析诊断系统，它包括了控制逻辑的实现、完备的数据监测和报警等功能。
This paper introduces the automatic control and modal analysis diagnostic system of a large horizontal snail machine. It includes the realization of control logic, data monitor and alarm functions.
对于当前没有较完备的无人机通信系统实测数据时，进行无人机通信信道的统计模型建立和仿真等方面的研究具有重要意义。
The model built in this paper has great significance to performance simulation of the UAV communication channel when no measurement data are available.
本文简要阐述了数据挖掘的基本原理，针对车辆故障诊断的特殊性和复杂性及诊断中存在的不完备信息和不一致信息，阐述了将粗糙集理论用于车辆故障诊断的必要性。
In this paper the basic theory of data mining is briefly introduced. For particularity and complexity of vehicle faults diagnosis, it is necessary to integrate rough set theory with neural network.
因此研究不完备系统上的数据挖掘具有一定的现实意义。
Therefore, the researches on DM based on incomplete system have certain practical significance.
在现实生活中，由于数据的不确定甚至缺损现象的普遍存在，使得数据库使用者面临的信息系统绝大多数都是不完备的。
Because of general phenomena of indefinite data or even imperfect existing, information systems that are presented to user are mostly incomplete.
随着资讯越来越完备，专家对增长数据进行例行修正。
Experts made this routine revision of the growth figures as more complete information became available.
成熟的运营模式，良好的大商户合作关系，完备的商品数据库，健全的物流服务体系。
Mature business mode, strong relationship with VIP Supermarket, integrated data base, adequate delivery system.
火焰面数据库的建立是改进火焰面模型的重要一环，具体来说包括提高火焰燃烧状态数据的精确性和完备性，以及熄火极限的准确把握。
The building of flamelet database is very important a step in improving flamelet model. It includes improving the exactness and completeness of combustion states as well as extinction limit capturing.
有人怀疑用于判断航班是否禁飞的模型是基于粗略的数据和不完备的科学手段得出的。
Some suspected that the models used to justify the flight ban were based on sketchy data and incomplete science.
传统的滤波反投影算法(FBP)要求完备的投影数据，而实际检测中往往由于客观原因无法获得完全的投影数据。
Traditional filtered backprojection (FBP) method required complete projection data, which were often difficult or even impossible to acquire for objective reasons.
不完备信息下的数据挖掘是一个难题，但它在实际决策中是不可避免的。
Data mining in incomplete information system is a hard problem but inevitable in uncertain decision.
商空间理论在处理高维、不完备、复杂的、模糊的、海量数据时，有其独特的优势。
Quotient space theory for treatment of high-dimensional, incomplete, complex, vague, massive data, there are unique advantages.
提出了一种基于不完备复模态测量数据修正阻尼陀螺系统有限元模型的有效数值方法。
An efficient numerical method for the finite-element model updating of damped gyroscopic system was developed based on incomplete complex modal measured data.
探讨了完备的交通事故信息数据库的内容构成，认为应包括空间数据库、影响因素数据库以及元数据和数据字典库三大部分；
The contents of a perfect traffic accident information spatial-database should include three parts, i. e. spatial-database, influential factors database and database of metadata and data dictionary.
基于计算机技术的完备的机动车租赁管理系统把一些繁琐的数据计算、信息处理化为简单的指令操作。
Based on the computer technique, the perfect automobile lend-lease management turns those complicated data calculation and information processing into simple instructions.
检查与计划相关的所收集的数据的质量和完备性。
Checking the quality and completeness of the collected data about initiatives.
模型完备性是衡量数据模型描述能力的一种重要特性。
Model completeness is an important characteristic by which the description power of data model is measured.
TDM系统同时还设置了较为完备的数据库管理功能。
At the same time, we also implement the completed functions of database management for the TDM system.
上述的各种方法都要基于完整的设备参数和特征参数的数据才能实现对数控机床主轴箱的故障诊断，所以一个全面完备的故障诊断数据库是必不可少的。
The basis of methods above is integrated data of equipment parameter and character, so a self-contained and complete database of fault diagnosis is mostly necessary.
目前，一些成熟的数据挖掘方法所处理的数据都是完备的。
Recently, some mature methods of DM only deal with the complete information.
目前，一些成熟的数据挖掘方法所处理的数据都是完备的。
Recently, some mature methods of DM only deal with the complete information.
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