virtual是定义C++中虚函数的关键字。在面向对象程序设计领域，C++、ObjectPascal等语言中有虚函数（英语：virtualfunction）或虚方法（英语：virtualmethod）的概念。这种函数或方法可以被子类继承和覆盖，通常使用动态调度实现。这一概念是面向对象程序设计中（运行...
Virtual Serial Port Driver简称VSPD，这是一款强大的虚拟串口软件。如果你的电脑没有串口，可以使用Virtual Serial Port Driver来代替，可谓是电脑串口的完美解决方案，支持win7、win8等操...
the uploaded program for virtual backbone routing in wireless network
Virtual GPS NEMAcode transmitter using serial port, AVR Atmega32 microcontrooler
java3D game engine design of the source [three-dimensionalvirtualrealitynetworkprogram] - "virtual reality 3D network ...
Virtual process week in the experimental vehicle build at BMW AG
USB CDC using C8051F320/340, virtual COM port thru usb connection
USB Code for ARM7 using Virtual Com Port based on LPC23xx
program let u learn how use virtual com using arm processor family