说明：  基于labview的pc之间的通信，两台计算机互发字符并自动接收，如一台计算机输入字符串“收到信息请回字符abc123”，单击“发送字符”命令，另一台计算机若收到，就输入字符串“收到，abc123”，单击“发送字符”命令，信息返回到第一组的计算机。
(Labview pc communication between two computers exchanging characters and automatically receive, such as a computer input string received information back to character abc123 ", click" send character "command to another computer if you receive, received on the input string "abc123", click "send characters" command, the information returned to the first computer.)