WB_DBF

说明：  带GUI界面的，可选择节点和支路的 对称短路的潮流计算(Power Flow Calculation of Symmetrical Short Circuit with GUI Interface)

这是西门子s7200的示例源代码，这是学习PLC编程的好示例-Siemens s7200 This is an example of source code, this study are examples of good PLC programming

high voltage dc transmission system bipolar

pcb转SCH攻略-(protel)pcb转SCH攻略-(protel)-pcb switch SCH Raiders- (protel) pcb switch SCH Raiders- (protel)

用c#实现的ATM机，实现简单的查询，取钱，转账等功能，用户根据自己的账号密码，进行登录，查询器用户信息等

本系统适用于林业局票证管理窗口对木材运输证打印管理，是根据林业局需要量身定制的管理系统。 　主要功能如下： 一、运输票证信息录入、修改、打印（可根据林业局印刷的证样套打）。 二、运输票证信息字段管理（运输种类管理、材种管理、树种管理、发货单位管理、发证依据管理）。 三、运输票证分类搜索管理（按运输证编号精确查询、按运输工具及车号查询、按运输地点模糊查询、按发货单位模糊查询） 四、运输证统计报表管理。 五、系统超级管理（系统设置、数据备份恢复、管理员角色设置） -the system applicable to the management of FDA ticket window to transport timber certification Print management, According to FDA is required customization management systems. Following major functions : a transport ticket information input, modify, print (FDA may permit the printing kind piling). 2, transport ticket information management field (type of transportation management, timber management, species management, invoice management units, Certification based management). 3, transport ticket classification Search Management (Transport Permit No. precise inquiry by transport equipment and running inquiries, Transport locations fuzzy inquiry, according to the consignor units fuzzy inquiries) 4, transportation management certification

Ensambla las piezas que elaboras, y dale animacion

PID控制列车速度跟踪，使其实际速度曲线跟踪目标速度曲线(PID control of train speed tracking)

说明：  该程序功能是8个按键控制8个LED灯，非常适合单片机初学者加深对单片机I/O口的理解(The program function is 8 buttons to control 8 LED lights, which is very suitable for beginners of MCU to deepen the understanding of the I/O port of the MCU.)

一门小巧得编程语言-compact in a programming language