说明：  1. VC++6.0串口操作实现GPS数据提取 2. VC++串口实现双机互联，包含视窗加代码 3. VC++编写的实时读写串口数据，并用VC画出相应的数据波形 4. VC++串口控件实现温度数据的采集并显示，做出曲线
(1. VC++6.0 serial operation to achieve GPS data extraction 2. VC++ Serial Port Dual Internet, including Windows add code 3. VC++ written in real-time read and write serial data, and with the VC to draw the appropriate data waveform 4. VC++ Serial control implementation Temperature data acquisition and display, to make curve)