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一个简单的图书管理系统包括图书馆内书籍信息、学校在校学生的信息以及学生的借阅信息。此系统功能分为面向学生和面向管理员两部分,其中面向学生部分可以进行查询和续借书...
一个简单的图书管理系统包括图书馆内书籍信息、学校在校学生的信息以及学生的借阅信息。此系统功能分为面向学生和面向管理员两部分,其中面向学生部分可以进行查询和续借书籍等操作,面向管理员部分可以完成书籍和学生的增加、删除和修改以及对学生借阅、归还的确认-A simple library management system includes information on library books, school information school students and students borrow information. This system functions for the students and is divided into two parts for the administrators, which for some students can query and renew books and other operations to be completed for some administrators and students of books to add, delete and modify, as well as for students borrow, return the confirmation
- 2023-05-16 08:15:02下载
- 积分:1
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自己常用的的一个数据库操作类
注意修改private void setConn()方法为您的connection连接方式...
自己常用的的一个数据库操作类
注意修改private void setConn()方法为您的connection连接方式 -Their common database operations of a class attention to changes private void setConn () method of connection for your connection
- 2022-01-23 11:00:30下载
- 积分:1
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使用vc数据库的ADO功能执行存储操作的程序!
使用vc数据库的ADO功能执行存储操作的程序!- Uses vc the database the ADO function to carry out the memory
operation procedure!
- 2023-02-06 10:30:04下载
- 积分:1
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一个数据库的实例,包含了建立 连接 读取的功能 比较好的简单的例子 可以扩展...
一个数据库的实例,包含了建立 连接 读取的功能 比较好的简单的例子 可以扩展-a database of examples, including the establishment of a functional link to read more good simple example can be extended
- 2022-01-28 17:48:46下载
- 积分:1
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感应电机的运行
INDUCTION MOTOR RUN
(Currents and speed as state variables)
The motor is running at a specified load. After reaching steady state in an initialization first run, the initial conditions are established for a second run in which the load is pulsating. The dynamic equations are expressed in canonical first-order matrix form adopting currents and speed as state variables, and are solved using ODE45.
The user has the choice of selecting one of three common (dq) reference frames: STATOR, ROTOR or SYNCHRONOUS.
The torque, speed,and current responses are plotted. -INDUCTION MOTOR RUN
(Currents and speed as state variables)
The motor is running at a specified load. After reaching steady state in an initialization first run, the initial conditions are established for a second run in which the load is pulsating. The dynamic equations are expressed in canonical first-order matrix form adopting currents and speed
- 2022-07-13 20:22:44下载
- 积分:1
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delphi应用开发的信息系统
delphi应用开发的信息系统-application development information systems
- 2022-01-25 23:54:54下载
- 积分:1
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该EXE软件可以免去通过SQL EXPLOR或者数据库查询界面进行查询的麻烦,直接可以打开该EXE文件,因为该EXE是读去BDE中的数据库别名进行连接,所以使用...
该EXE软件可以免去通过SQL EXPLOR或者数据库查询界面进行查询的麻烦,直接可以打开该EXE文件,因为该EXE是读去BDE中的数据库别名进行连接,所以使用的时候你的保证你的数据库是否通过ODBC连接上。
因为在程序中用到了第三方控件(主要是RAISE系列控件),以及我自己在第三方控件开发的控件,所以打开界面是如果没有安装第三方控件可能报错,不过没关系,我用第三方控件都是处理界面用的,你完全可以用DELPHI自带的标准控间进行替换,从而达到在自己可以编译。-the software can avoid EXPLOR or SQL database query interface for the trouble, can directly open the EXE file, which is read out EXE BDE the alias database linking, the use of the time you ensure that your database through ODBC connection. Because the procedures used by third-party controls (mainly RAISE series of controls), and my own controls in the development of third-party control, so if the open interface is not possible to install third-party control errors, but okay, I used to deal with third-party interface controls are used, you can use Delphi"s own standards for inter-controlled replacement, and thereby achieve it in their own compiler.
- 2022-03-11 15:51:24下载
- 积分:1
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学生信息管理系统 学生信息管理系统
学生信息管理系统 学生信息管理系统 -Student Information Management System Student Information Management System Student Information Management System Student Information Management System
- 2022-10-11 12:30:03下载
- 积分:1
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ACCESS作为数据库,小巧玲珑,清新素雅。
ACCESS作为数据库,小巧玲珑,清新素雅。-ACCESS database, small and exquisite, fresh simple and elegant.
- 2023-09-09 13:30:05下载
- 积分:1
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ado+DataGrid+access示例
ado+DataGrid+access示例-ado+DataGrid+access
- 2023-05-10 11:40:03下载
- 积分:1