The KeyedFile class represents a system file that has access by key while the SequentialFile class represents a system file that has access by record number.
Keyed file类表示一个通过密钥访问的系统文件，而sequentialfile类表示一个通过记录编号访问的系统文件。
The hexadecimal number named jsessionid is the key to the Geronimo session handler and provides the system with information about you that at some time in the past you provided.
这个叫做jsessionid的十六进制数字是到Geronimo会话句柄的主键，并为系统提供了关于您的信息(您在过去某时提供的)。
The feasibility and the necessity of the state overhaul are expounded from the aspects of system forming, key number choosing and data bank software exploiting.
从系统组成、关键数字选择和开发数据库软件的技术现实性方面阐述了状态检修的可行性与必要性。
Number plate extraction is the key component of automatic vehicle license recognition system.
车牌图像分割是车辆牌照自动识别系统的关键部分。
Regarding a serial number as a primary key in the database tables of the logistics information system can increase efficiency.
在信息系统的数据库表中用流水号做主键可以提高效率。
The number of residents is not the key factor when deciding how much money a public school education system needs, the number of students attending each school district is of paramount importance.
在决定某一公立学校教育体系需要多少费用的过程中，居民的数量不是一个关键性因素，而每个校区上学的学生数量才具有至关重要的意义。
The key problem is to create a classification number descriptor parallel index database during the design of a vocabulary switching system.
本文针对手工建立分类表叙词表转换系统的缺点，用计算机设计了一个分类表叙词表转换系统。
Electrical and software design of the measuring arm system are carried out, key studies are the realization of servo motor position control and a number of sensors data acquisition.
对测试机械臂系统进行了电气和软件设计，重点研究了伺服电机定位控制和数据采集的实现。
And then it studies a number of key technologies around the sensor less brushless DC motor control system: Rotor position detection, motor starting and the PWM control technology.
然后分析研究无位置传感器无刷直流电机控制系统的几项关键技术：转子位置检测、启动和PWM控制技术等。
At the same time designed and realized secret key producing system, through the especially arithmetic, make the serial number of secret key is more close to random serial number.
同时设计并实现安全的随机密钥产生系统，通过特定算法。使密钥序列更接近随机序列。
At the same time designed and realized secret key producing system, through the especially arithmetic, make the serial number of secret key is more close to random serial number.
同时设计并实现安全的随机密钥产生系统，通过特定算法。使密钥序列更接近随机序列。
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