expression n. 1.表现,表示,表达。 2.词句;语句,措辞,说法。 3.表情,脸色,态度;腔调,声调。 4.【数学】式,符号。 5.(油的)榨出,压榨。 6.【生物学】表现度。 emotional expression 表情。 a happy expression 妙言。 an odd expression 怪话。 the expression of the eye 眼睛表情,眼色。 a smiling expression 笑脸。 beyond [past] expression 形容不出,无法表达。 find expression (in) (在…中)表现出来…,表现在…。 give expression to 表达,反映(give the fullest expression to their initiative 充分表现他们的积极性)。 expression mark 【音乐】表示感情色彩的符号。 adj. -al 表现的;表情的。 n. -ism 【美术】表现主义;表现派。 -ist 1.n. 【美术】表现主义者,表现派。 2. 表现派的〔亦作 expressionistic〕。 adj. -less 缺乏表情的,呆板的。
It consists of fusiform neurons with intensely expressed neuropeptides in the fibers , terminals , and neuronal somata . functional connections between the mrd and hippocampus , amygdala and the basal nucleus of meynert were identified by c - fos expression method [ 14 ] Nmdar在谷氨酸中枢神经系统的许多功能上具有关键作用, nmda受体激活后可引起神经元细胞膜对na + 、 k +和ca2 +通透性增强,产生兴奋性突触后电位。
In chapter four , based on the analysis and comparison of the three ways of knowledge expression , we put forward the knowledge expression method of this spc expert system . in this chapter , the management and maintenance of the knowledge base is discussed 本章在对当前5种知识表达方式进行分析比较的基础上,结合所构建系统的实际需要,采用产生式规则方式来表达规则知识,用框架结构来对过程质量信息等静态知识进行描述。
A new knowledge expression method is given by analyzing , summarizing setting principles of relay protection . it improves the application level of relay protection software . the system is built up with c / s model , which solves the problems involving multiple users and data share 通过对电力系统继电保护及其整定原则的分析、总结、抽象,设计实现了一套完整开放的知识建立、知识表达方法,提高了整定计算软件的实用化水平。
Firstly , according to the characteristics of the relative knowledge during the course of designing stilling basin , a new expression method of knowledge - object - oriented expression method has been designed after many usual expression methods of knowledge has been analyzed and compared with 首先,针对消力池设计专家系统中知识的特点,在研究、分析、比较多种知识表示方法的基础上,设计出适合于消力池设计的知识表示方法? ?面向对象的表示方法。
It gives a new expression method for the solution of often coefficient linear siuu1taneous differential equation , with the aid of uneven sublinear system of equations ' s standard base solution matrix nature , gradually approximation , derivative principle , the text give the limited form of this system of equations solution and the developments for the contents of literature 摘要提出了常系数线性微分方程组解的新的表达方式,借助齐次方程组的标准基解矩阵的性质、逐步逼迫法、导数法则,给出了这个方程组解的有限形式。
Firstly , in this paper , we review the histories of xml and xml database , and all kinds of data models used widely now . then we review traditional access control policies and policies specially used on xml , and present a new expression method of access set on xml based on child tree of w3c data model . and we bring rbac model into xml database and present a new xml access model x - rbac . because the usage of data in databases has high frequency , we present an ids model based on access set density to logging the potential security threats . and then we introduce the design and implementation of a prototype of our native xml database nhx and its access control system . finally , we draw a conclusion for this paper and the future work 本文首先回顾了xml及xml数据库的历史,并总结了目前广泛使用的xml数据模型,在分析了各种传统数据库访问控制策略,以及xml的专有访问控制策略的优缺点后,基于w3c的xml数据模型,提出了一种基于子树的具有高弹性的便于实现的的访问区域表示法,并将rbac模型引入进来,提出了一种适用于xml数据库的访问控制模型x - rbac ,同时为了区分xml数据库访问中的合法访问和合理访问,我们根据数据库访问具有频繁性这一特征,提出了一种基于区域访问密度的入侵检测模型( ids ) ,以对隐藏在正常访问中的潜在安全威胁进行报警和日志。
The detailed works are as follows : the finding patterns problems in the time - series data sequence are described , and a new trend logic expression method is introduced , and its algorithm and experiment result of algorithm are given ; time - scries data are disposed , and using the arctg . slope of line as the sample of pattern recognition , so ignoring the aberrance of pattern in the classified . in addition , a new time - series pattern finding algorithm based on higher - order neural network is put forward 同时给出了本文的具体的工作,主要是:对在时序数据序列中发现模式问题进行了描述,并介绍了一种新的趋势逻辑表示方法,给出了其算法及算法的实验结果;对时序数据进行处理,提出了利用线段的斜率反正切值作为模式识别的样本,从而在分类时忽略模式的畸变;另外,还提出了一个新的基于高阶神经网络的时序模式发现算法。
The content are : ( 1 ) the status of terrain environment modeling in campaign level warfare simulation is analyzed . ( 2 ) a hexagon - based terrain model ( hbtm ) is given out for the requirement of campaign level warfare simulation . ( 3 ) the modeling process of hbtm , reseach the hexagon - based dividition of warfare area and the expression method of terrain environment info are discussed 论文面向战场地形环境的描述问题,重点探讨战役层作战仿真中的地形环境建模方法及其应用,具体的研究内容包括: ( 1 )面向作战仿真及战场环境表示需求,重点分析了战役仿真中的地形环境建模的研究现状; ( 2 )针对战役层作战仿真的需求,提出基于正六边形的地形模型- hbtm ; ( 3 )探讨hbtm的建模过程,重点研究了战场区域的正六边形划分和地形环境信息的提取和表示方法; ( 4 )设计和实现了基于hbtm的地形环境原型系统。
At first the thesis compares xml with other traditional data management method and analizes why xml is chosen as expression method of template and structured medical record , and discusses differences between xml and html , analyzes basic principles and characteristics of xml technology and summarizes principles of xml document object model ( dom ) and xml parser 论文首先将xml与其它传统的数据管理方式进行比较,深入分析了电子病历模板和病历结构化文档选用xml作为表示方式的原因,同时探讨了xml与html的不同,分析、总结了xml技术的基本原理、特点、 xml文档对象模型与xml文档解析器的工作原理。
Through importing object oriented knowledge expression method , it establishes object oriented diagnostic bayesian networks ( oodbn ) frame and its knowledge operating methods including storage and pick - up , which erects an effective knowledge expression method for complex devices " dbn models . 4 . in order to handle the construction and reasoning problems , a hierarchy dbn model construction method is established , which is based on top - down idea , and which provides a systemic principle for dbn construction of complex devices 针对复杂设备诊断知识表达存在的困难,引入面向对象的知识表达方法,建立了面向对象的诊断贝叶斯网络的知识表达体系,提出了基于关系数据库的知识存储和国防科学技术大学研究生院学位论文提取方法,为复杂设备诊断贝叶斯网络模型建造建立了一种有效的知识表达方法。