Passing extra parameters (not declared as incoming parameters on the called template) is an error in 2.0, but BC mode will suppress the error.
在2.0中传递多余的参数(被调用模板中没有声明的输入参数)会导致错误，但BC模式会排除该错误。
2
This allows the receiving node to validate its incoming data and request retransmission when an error is found.
这支持接收节点验证输入数据，并在发现一个错误时请求重发数据。
3
When activity occurs, inetd maps the incoming request to standard input (stdin), standout output (stdout), and standard error (stderr) and launches the proper daemon.