1.Pertaining to a connection by which one end can only send signal and the other can only receive signal.
用于修饰两点之间的连接，这种连接的一端只能发送信号，而另一端只能接收信号。
2.When a process is running on the terminal, you can send signal to that process from the keyboard by using some specific combination of keys.
当一个进程在终端上运行，你可以在键盘上通过按一些特定的组合键来给该进程发信号。
3.Shock sensor can detect excessive shock applied on a drive and send signal to VCM controller.
冲击传感器可以检测到驱动器上的过度冲击应用和发送信号，氯乙烯控制器。
4.You can use the UNIX system call kill (from a C program) to send signal from one process to another.
你可以使用UNIX系统调用kill（从一个C程序）从一个进程给另一个进程发信号。
5.For example, if you send signal SIGSTOP to a process, the process suspends.
例如，如果您将信号SIGSTOP发送到某个进程，该进程将挂起。