The pattern matching operation is potentially expensive, so it is vital to focus the search intelligently.
模式匹配操作可能是非常昂贵的，因此智能地集中搜索是非常重要的。
A search operation will return only the first matching account.
搜索操作仅返回第一个匹配的帐户。
Similarly, a modification or a delete operation will be done only to the first matching account.
与之类似，将仅对第一个匹配的帐户执行修改或删除操作。
For example, you may want to search for all data related to a user whose name or E-mail address you know, so you need to specify matching rules to be applied during the search operation.
例如，可能想搜索与已知姓名或电子邮件地址的用户有关的全部数据，所以就需要指定在搜索操作中应用的匹配规则。
An update operation could change a record in a child table such that it no longer has a matching record in the associated parent table.
一个更新操作可改变子表中的一条记录，这样相关父表中不再有一条匹配的记录。
An update operation could change a record in a parent table, leaving records in an associated child table that no longer have a matching record in the parent table.
一个更新操作可改变父表中的一条记录，使得相关子表中的记录在父表中没有与之匹配的记录。
If it were working, you would be able to specify one or more columns as the matching columns for an offline join operation.
如果这个bug还在的话，那么您可以为离线连接操作指定一个或多个列作为匹配列。
A query operation, such as the lsuser command, will be done to the base DNs according to their priority until a matching account is found.
将根据其优先级对基本DN执行查询操作，如lsuser命令，直到找到了匹配的帐户。
A delete operation could remove a record from a parent table, leaving records in an associated child table that no longer have a matching record in the parent table.
一个删除操作可以从一个父表中删除一条记录，使得相关子表中的记录在父表中没有与之匹配的记录。
The neurons of hidden layer perform the pattern matching of process input information and aggregation operation of time and respond to the input patterns.
隐层神经元完成对过程序输入信息的模式匹配和对时间的聚合运算，输出层对输入模式作出响应。
In combination with current oilfield dosing process, a matching unit is developed for continuous dosing of easy use, prompt, safety, energy saving and reliable operation.
结合油田目前加药工艺，开发出一种简单、方便、安全、节能、运行可靠的油井连续加药配套装置。
In addition, more proposals were presented for processing facilities, operation scheme and matching rules and regulations related to decoration wastes.
同时对装饰装修垃圾处置设施的建设、运营方案、配套政策法规等方面都提出了合理化的建议；
This method includes the establishment of GCP image bank of rectified area, the design of dexterous interactive operation mechanism and the point matching operation.
该方法包括纠正区域控制点影像建库、灵活交互操作机制设计和点匹配操作。
In order to solve the problem, we carry out the clustering operation to the matching centers by the improved clustering method, and thus get the unique geometry center.
为了解决这一问题，利用改进的聚类方法，对匹配中心进行聚类，从而得到图形唯一的几何中心。
Two failures happened in 2004 that were caused by over-heating of brake component related to unsuitable matching and improper operation. This paper presents the analysis on the cause of failure.
由于配套和使用时考虑不周及操作不当，在2004年发生了2起失效事故，失效的主要原因是冷却不佳，造成刹车副过热而失效。
The ideal method of attraction and anti-attraction matching curve was gained by variable current control, so intelligent operation of AC contactor was realized.
通过采用可变电流控制获得理想吸、反力配合曲线的方法，实现交流接触器的智能操作。
Results of experiment show this approach is fast in operation, and has high accuracy in matching, and the convergence is very stable.
实验结果表明基于该算法的图像匹配具有运算速度快、匹配精确等优点，且收敛过程非常稳定。
Compared with traditional block matching tracking arithmetic, it overcomes some disadvantages, such as a mass of operation, inaccurate matching in the low SNR (Signal Noise ratio) image.
该算法与基本块匹配跟踪算法相比，克服了原算法运算量大，信噪比较低时匹配不准确等缺点。
This article presented the research on matching technology of casing head and gas-producing wellhead for guaranteeing the safety of drilling and production test operation.
由于套管头和采气井口油管头牵涉到钻井和试油作业中的井口组合，为保证钻井和试油作业时配套使用的安全，要进行配套技术研究。
The operation mechanism of the brake matching with the two step, multi step or stepless empty and load brake equipment is analyzed.
分析了制动机与二级、多级或无级空重车调整装置相配时的工作机理。
Studies the influence of system matching on the operation stability of automobile air conditioner compressors on the endurance test bed.
就系统匹配对汽车空调压缩机耐久性试验台运行工况稳定性的影响进行了试验研究。
Experimental results show that the algorithm has advantages of efficiency, precise matching, flexible information acquisition, supporting on-line operation and so on.
实验结果表明，该算法具有效率高、匹配精确、信息获取方式灵活、支持在线操作等优势。
Properties of mold powder used in continuous casting were analyzed. Optimum matching of the powder properties, steel grade and operation conditions is discussed.
对结晶器保护渣的性能作了描述；对结晶器保护渣的性能与工艺条件、钢种的优化匹配进行了探讨。
Specified options modify the matching operation.
指定的选项将修改匹配操作。
This paper analysed the characteristic of the matching operation of crane and elevator, and presented its hydraulic and electric systems.
本文就其吊机与升降机配合作业的特点进行分析，并简介其液压系统和电气系统。
Phase matching is of particular concern with some high speed digital circuits, because unmatched cables may cause excessive clock skew, resulting in erroneous operation.
由于不匹配的电缆可引起过度的时钟相偏（Clock Skew），导致错误操作，所以相位匹配是有些高速数字电路中特别要注意的事项。
This paper states the significance of a matching operation for white body of cars and describes the process of the matching operation.
论述了汽车白车身匹配技术的意义，介绍了白车身匹配作业的过程。
This paper states the significance of a matching operation for white body of cars and describes the process of the matching operation.
论述了汽车白车身匹配技术的意义，介绍了白车身匹配作业的过程。
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