Enginefailure, stop engine, showed not under command signal lights.
主机故障，停车，显示失控灯号。
To catch a signal that is sent to your process, use the built-in trap command.
要捕捉发送到您的进程的信号，请使用内置的trap命令。
It prints a status message and sends the sleep command a SIGINT signal.
它将打印状态信息并将sleep命令发送给SIGINT信号。
Use kill command to send a signal to a process.
使用kill命令向进程发信号。
Key here is that there must be a time split between the command or signal.
这里的关键是口令和信号之间必须有一个停顿。
What lean is that the automatic command system of traffic signal lamp.
靠的是交通信号灯的自动指挥系统。
What lean is that the automatic command system of traffic signal lamp.
靠的是交通信号灯的自动指挥系统。
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