发送传真的程序 可用电脑和手机等通讯设备发送文件，这个压缩文件没有解压密码-fax procedures can be used computers and other telecommunications equipment to send the document, and the compressed files without extracting passwords

485规约通讯动态库,用户可以开发程序调和该库，以实现通讯

系统共享内存实现代码，可以充分利用 Windows 的功能来实现不同进程间通讯-Shared memory system code, you can take full advantage of Windows features to achieve communication between different processes