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PD is used to develop a database system, please refer to, PD study will help.
这是用PD开发的一个数据库系统,请大家参考一下,对于PD的学习有一定的帮助.-PD is used to develop a database system, please refer to, PD study will help.
- 2023-01-06 04:15:03下载
- 积分:1
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第一次做的一个数据库的书店售书管理系统,希望给点意见和建议哦...
第一次做的一个数据库的书店售书管理系统,希望给点意见和建议哦-the first time in a bookstore Books database management system, and hopes to give views and suggestions oh
- 2022-08-07 21:41:30下载
- 积分:1
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一个小实验室书籍管理系统,用VC和统计的实现…
用VC实现的一个小型实验室书籍管理系统,使用Mysql数据库,统计功能较为全面。-A small book management system of lab. It s implemented by VC and the statistical function is more complete by using MySQL database.
- 2023-03-29 01:40:04下载
- 积分:1
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in VC use ADO database entry Example
在VC中使用ADO数据库的入门示例-in VC use ADO database entry Example
- 2022-01-25 18:46:22下载
- 积分:1
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can create BDE, SQL Query
可创建BDE,进行SQL查询-can create BDE, SQL Query
- 2022-05-13 03:48:57下载
- 积分:1
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为图书馆管理信息系统,用VC++编写的,请大家放心下载
为图书馆管理信息系统,用VC++编写的,请大家放心下载-For library management information system, with VC++ Prepared, please rest assured that everyone download
- 2022-03-29 02:03:10下载
- 积分:1
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对计算机图形学的编程实践,包括画直线、反走样直线、画圆、画椭圆、画矩形、画多边形、矩形填充、多边形填充、3D变换、光照、贴图等。由于精力有限,未对原码做任何注释...
对计算机图形学的编程实践,包括画直线、反走样直线、画圆、画椭圆、画矩形、画多边形、矩形填充、多边形填充、3D变换、光照、贴图等。由于精力有限,未对原码做任何注释。出于简化编程的考虑,许多地方指定了常数,未做通用处理-of computer graphics programming practice, including painting line, anti-aliasing straight Circle, painted oval, rectangular painting, drawing polygon, rectangle filling, polygon filling, 3D transformation, lighting, textures, etc.. Because of the limited energy, the original code did not make any notes. To simplify programming for consideration, in many places designated constant, declined to address GM
- 2022-07-20 19:46:09下载
- 积分:1
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此文章包含powerbuilder环境下编写相应驱动,对ep9315进行二此开发,使其和低速器件通信。具有较强的指导意义
此文章包含powerbuilder环境下编写相应驱动,对ep9315进行二此开发,使其和低速器件通信。具有较强的指导意义-This article contains the PowerBuilder environment to prepare the corresponding drive of the second ep9315 this development, so that it and low-speed communications devices. Has a strong guiding significance
- 2023-08-17 11:35:04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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在VC中用ADO连接ACCESS数据库,实现插入,删除,修改等操作。
在VC中用ADO连接ACCESS数据库,实现插入,删除,修改等操作。-in VC ADO database connectivity ACCESS achieve insertion, deletion, modification, etc.
- 2022-04-09 09:34:28下载
- 积分:1