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使用libmpg123.dll, 将mp3文件解码为wav文件(Decode mp3 file to wav file by using libmpg123.dll.)

编程实现一个学生成绩管理系统，可以完成插入、删除、修改等操作(Programming a student achievement management system that can complete the insert, delete, modify and other operations)

说明：  在软件开发中，特别是驱动开发中，什么时候用const，什么时候又要加volatile，这里有详细的讲解(In software development, particularly driven development, when to use const, when that the increase in volatile, here in detail)

说明：  DNS解析系统，通过发送DNS协议包到DNS服务器来获取DNS(DNS analysis system, the agreement by sending a DNS packet to the DNS server to obtain the DNS)

说明：  这个源代码讲的是MFC的对话框的应用程序(The source code is MFC dialog about the application)

单点定位就是根据一台接收机的观测数据来确定接收机位置的方式，它只能采用伪距观测量，可用于车船等的概略导航定位。(Single point positioning is based on observations of a receiver to determine the position of the receiver way, it only can use the false distance measurements, can be used to approximate the travel and other navigation and positioning)

从内存中加载DLL和EXE文件,支持压缩的文件.(From memory to load DLL and EXE files, compressed file support.)

该源码实现电子医嘱管理系统，可以查询、增加、修改、删除病人信息，科室信息，就诊记录信息等。(The source code for electronic prescription management system that can query, add, modify, delete patient information, department information, medical records and other information.)

用VB编程提取GPS信息的程序，如位置、速度等信息(Programming with VB extract GPS information programs, such as position, velocity and other information)

常用RS232串口通用库类，可直接使用,谢谢大家~(The common library of the RS232)