The ? character means to match zero or one instance of the previous pattern element; the * character means to match zero or more of the previous element.
字符表示匹配前面模式元素的零个或一个实例，* 字符表示匹配前面元素的零个或多个实例。
This expression is then retained by the Pattern class before it is passed on to the Matcher class to check for matches in the context of a character sequence.
Pattern先保存要使用的表达式，然后将其传递给Matcher 类以便在字符序列的上下文中检查其匹配情况。
This function is not smart enough to identify the character values in the final example of use and thus be able to warn the user. You could use a string pattern matching test such as.
这个函数还不够灵巧，不能区分最后使用的示例中的字符值，所以不能警告用户。
You can use an underscore (Scala's standard wild card character) as a placeholder to catch any type of exception (really, to match any case in a pattern matching expression).
你可以使用一个下划线(Scala的标准通配符)作为占位符来捕捉任意类型的异常(不骗你，它可以匹配模式匹配表达式的任何case)。
This package offers an engine that performs operations on character sequences by interpreting patterns, a pattern being a compiled expression of a regular expression.
该包提供了一个引擎，可以通过解释模式对字符序列执行操作，即模式成为正则表达式的编译表达式。
Image edge has become the important character to pattern recognition, vision of computer, homing etc. And it has been paid more attention, which has broad use.
图像的边缘作为模式识别、计算机视觉、制导等领域的重要特征越来越受到广大研究人员的高度重视，有着广泛的用途。
You may include a "default" case at the end of a pattern match, either using the underscore wild card character or a meaningfully-named variable.
你可以在模式匹配的最后包含一个“default”默认case，可以使用下划线通配符，或者有含义的变量名。
At present, the pattern recognition technology can be applied to fingerprint identification, IC card technology applications, such as examples of character recognition.
目前，模式识别技术可以应用指纹识别、IC卡技术应用、字符识别等实例。
The group portrait of "play-looker" is the common character in Lu Xun's novel, and the dual structure of "looks" and "being looked" which deduced by them is the basic subject pattern.
“看客”是鲁迅小说中常见的人物群像，由此衍生出的“看”与“被看”二元结构是其基本主题模式。
In this model, the authors defined the short sequence of system calls as a character pattern if this sequence satisfied the certain support degree, and propose an improved HMM (IHMM) on this basis.
文章针对满足支持度要求的系统调用短序列，给出了特征模式的概念，并以此为基础提出了基于改进的隐马尔科夫方法(IHMM)。
This paper proposes an asynchronous pattern from analyzing on the biologic character of particle swarm optimization.
在研究粒子群优化算法生物特征的基础上，提出了粒子群优化算法的异步模式。
Logging curves and stratum parameters are changed to image pattern by image process technology. Neural networks are introduced to extract and remember pattern character of curves automatically.
利用图像处理技术将测井曲线和地质参数转化为图像模式，由神经网络自动提取和记忆曲线所表征的小层模式特征。
In chapter two, the monographer analyzed the ability character and training pattern of preliminary technician specialists to fix a reasonable position of specialist training object.
第二章对预备技师的能力特征要求和培养模式要素进行了分析，为人才培养目标的合理定位打基础。
On the basis of acquiring character of seismic signal of target by ground sensors, in virtue of nerve network, it solves pattern recognition of typical target based on seismic signal.
在利用地面传感器获取目标地震信号特征的基础上，借助神经网络理论，解决基于地震动信号的典型目标的模式识别问题。
The paper studies organic mineral complex component and distribution character of organic carbon of black soil under various cultivation pattern.
研究了不同耕作方式下黑土有机无机复合体组成及有机碳在各级复合体中的分布特征。
Geographical distribution map of China of each group is done by GIS techniques and distributional pattern and character is discussed.
并利用GIS技术制作了各类群在中国的地理分布图，探讨了各类群的分布格局和特点。
Misuse intrusion testing technology is the most important link in a pattern matching the current model of matching reported mainly on the text of character string matching.
误用入侵检测技术中最重要的一个环节是模式匹配，目前的模式匹配主要是对报文中特征字符串的匹配。
After analyzing data and comparing automobile type of data ware, the max-data as criterion of vehicle classification, whole sample's data as character parameter of pattern matching.
通过分析采样数据和比较各车型波形后，采用实际采样波形的幅值作为车型分类判据标准，整条波形的采样值作为模式匹配的特征参数。
OCR (Optical Character recognition) is an important branch of pattern recognition.
光学字符识别是模式识别的一个重要分支。
Bring up three pattern classifying models: pattern reasoning, character fusions and pattern associated based on the principle of emerge.
基于涌现原理，提出了三种模式分类模型：模型推理、特征融合和模式联想。
So flow pattern character can be used to estimate the flex point temperature of the crude oil, which will help for selecting the available viscosity reducing method and the viscosity reduction depth.
因此，可以根据流态特征来估计该原油的拐点温度，为选择合适的降粘方法和降粘深度提供了技术指导。
The reservoir forming mechanism of deep basin gas shows typical gas and water drive character of piston - pattern, and it is a stable reservoir forming pattern.
深盆气成藏机理表现为典型的活塞式气水排驱成藏特征，是一种较稳定的成藏模式。
Objective By analyzing the relevant factor of adverse drug reaction(ADR) of Yanhuning injection in Zibo, to investigate the pattern and character of ADR.
目的了解炎琥宁注射剂不良反应发生的相关因素，探讨其不良反应发生的一般规律及特点。
The process of pattern recognition is approximately divided into three steps: preprocessing, character distilling and recognition.
模式识别大致分为三个过程：预处理、特征提取、识别。
Offline machine printed character recognition, an important branch of pattern recognition, is one of the vitalest parts of intelligent interface.
脱机印刷体文字识别技术是模式识别研究领域的一个重要分支，是计算机智能接口的重要组成部分。
This paper introduces the storage pattern of the spent fuel with the construct character of200MW Heating Reactor, and discusses the main advantages of doing so.
本文结合200MW供热堆的结构特点，介绍了供热堆的乏燃料贮存方式，并讨论这一贮存方式所带来的优点．。
The core of this system is consisted of data capture module, pretreatment module, character distilling module and pattern recognition module.
本系统由数据采集模块、预处理模块、图象分割模块、特征提取模块和模式识别模块组成其核心。
Tests of flow pattern showed that the spiral up-flow character of the SUFR make it be similar to plug-flow-reactor, and it is favourable to form gradient distributing of the organism matter.
流态试验表明SUFR反应器的螺旋流动特征使其接近于推流式反应器，有利于在空间上形成有机物的梯度分布。
Objective: To study the pedigree character of the true pattern in palmar hypothenar area, and study the genetics of the true pattern in human palmar hypothenar area.
前言：目的：研究人类手掌小鱼际区真实花纹的家系特点，了解人类手掌小鱼际区真实花纹的遗传方式。
Objective: To study the pedigree character of the true pattern in palmar hypothenar area, and study the genetics of the true pattern in human palmar hypothenar area.
前言：目的：研究人类手掌小鱼际区真实花纹的家系特点，了解人类手掌小鱼际区真实花纹的遗传方式。
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