查询词典 knowledge base system

Under the management corresponding of control system, the knowledge in knowledge base was used by inference machine to colligate the data and conditions in database, the models and methods in model method base were called to theorize and acquire adaptive navigation information.

在控制系统的管理协调下，推理机运用知识库中的知识，综合数据库的数据和条件，调用模型方法库中的模型和方法进行推理，获得适用的导航信息。

The capacity level of an expert system is influenced directly by the abundance of knowledge in the knowledge base, and the storage and management models of the knowledge determine the reasoning efficiency of the expert system.

O引言知识库是知识的存储机构，用于存储领域内的原理性知识、专家的经验性知识和有关的事实等，以及为推理机提供求解问题所需的知识，它存储的知识量的丰富程度直接影响着该专家系统的智能水平。

Disjunction normal form theorem in the modal logic system S5 is inductively proved, which can be used for representing complex modal formulas by means of conjunction and disjunction of simplest modal formulas with depth at most 1 in the system S5. As application, it is proved that a knowledge base could answer KB-queries if and only if it could answer queries of non-modal propositions and their negations, which is a basic problem on knowledge base.

研究了模态逻辑系统S5中的析取范式定理的归纳证明，给出了在S5中用深度至多等于1的最简模态公式通过析取与合取运算表示含有多重模态词的公式的方法，作为范式定理的应用，讨论了知识库中的一个基本问题，证明了知识库能够回答KB命题式问题的充要条件是该知识库能够回答相关的非模态命题及其否定命题的问题。

This dissertation studies the knowledge base of the vibration fault diagnostic system for turbogenerator unit and discusses the diagnostic model, knowledge representation, knowledge base structure, knowledge acquisition, knowledge management and vertification, and so on.

本文对汽轮发电机组振动故障诊断系统的知识库进行了研究，对诊断模型选择、知识表示、知识库体系结构与知识管理维护等方面的内容进行了探讨。

Throught adaptive algorithm of network, the system constantly revise right values distribute so as to meet goal. Distribute the heuristic knowledge and the experience knowledge to network interconnection and right value.?The reasoning machine carries on reasoning according to the knowledge that involve in knowledge base and fact that users offer.?Through front computation of nerve network, the output port obtains the output vector.?The explanation module of ES is explained to user.At last, this paper has realized grab hydraulic system based on ANNES intelligent diagnosis, it has proven this fault diagnosis method feasibility.

ANNES的工作过程是：①首先建立知识库；②学习系统获取知识时，它只要求专家提供范例及相应的解，通过神经网络学习算法对样本进行学习，经过网络内部自适应算法不断修改权值分布以达到要求，把专家求解实际问题的启发式知识和经验分布到网络的互连及权值分布上；③推理机根据知识库中的知识和用户提供的事实进行推理；④通过神经网络的前向计算，在输出端获得输出矢量：⑤经专家系

The study of the ENFES system and its application We propose a two-level structured model which combines and integrates the four knowledge processing methods、the knowledge acquiring methodes、the knowledge inference stratigies and the methodes of knowledge base maintainment are propose and realized for this system.

基于遗传算法和神经网络的模糊专家系统的体系及应用研究我们提出一种基于遗传算法、神经网络的模糊专家系统的层次结构，这种结构可以增强系统的健壮性；讨论了在这种综合集成的系统中知识获取方法、推理策略以及知识库的维护与求精方法。

Aiming at the faults inference network of AM500 coal minning machine this paper discusses "Rule_skeleton+rule_body" knowledge representation method of faults diagnoses expert system for coal minning machine and the interior structure of its knowledge base as well as the design of knowledge acquisition of the expert system.

以A M500 采煤机故障推理网络为对象，讨论采煤机故障诊断专家系统中&规则架＋规则体&的知识表示方法及其知识库内部结构，以及专家系统的知识获取设计。

And the CVE knowledge base of the system traces international newly development trends of CVE, establishing internal unified CVE standards, whose abundant knowledge base settle ununified problem of internal flaw base, and has great practical value.

同时，本系统所基于的CVE知识库，跟踪国际上CVE的最新发展动态，制订了国内统一的CVE标准，具有极大丰富的知识库，有效的解决了国内漏洞库不统一的问题，有很大的实用价值。

Kernelled with the information mining, adopted the architecture which combined the seven bases (model base, integrated knowledge base, database, method base, text base, Web log base and multimedia base) and the double networks, the new "intelligence decision support system based on the information mining" is presented.

采用7库（模型库、综合知识库、数据库、方法库、文本库、日志库、多媒体库）与双网（Internet、Intranet）相结合的体系结构，以信息挖掘技术为核心，提出源于信息挖掘的新型智能化决策支持系统。

In the process of making a knowledge base, Fault Tree Analysis is one of effective methods to analyze problems of complicated system, which can reduce the difficulty of obtaining system knowledge in failure diagnosis expert system for pressure vessels.

在知识库的建造过程中，故障树方法是分析复杂系统失效问题的有效方法之一。

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