A fox USES its tail (or "brush") as a warm cover in cold weather and as a signal flag to communicate with other foxes.
狐狸用它的尾巴(或“毛刷”)在冷天时盖上保暖，同其他狐狸交流时亦可用来做信号旗。
The only thing you should normally do inside a signal handler is set a global flag that will be processed later.
在一个信号处理器内部，您通常应该做的一件事是，设置一个将在以后处理的全局标记。
A black flag in a car race is the signal for a driver to go to the pits.
在汽车比赛中，黑旗是要车手进维修站的信号。
If the restart flag is set to True (the default), then an interrupt to the routine caused from some UNIX signal will cause a restart of the routine.
如果restart标志设置为True(默认设置)，那么在某些UNIX信号造成中断时，会重新启动例程。
It then sets an internal flag called suspended to true and enters a loop, waiting to be sent a signal to resume.
然后将叫作suspended的内部标志设置为true，然后进入循环，等候别人发送信号，以继续其操作。
It then sets an internal flag called suspended to true and enters a loop, waiting to be sent a signal to resume.
然后将叫作suspended的内部标志设置为true，然后进入循环，等候别人发送信号，以继续其操作。
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