实时发送已认可的任务，从而使用消息传递功能来加速工作流。
You could use the messaging function to speed workflows by sending approval tasks in real time.
信息的发送能使最多五个人同时通过键盘进行实时交流。
Messaging allows real-time communication by keyboard with up to five people at any one time.
当另外一个进程试图将你正在传输的文件截断时，内核会向你的进程发送实时信号——RT_SIGNAL_LEASE。
When another process tries to truncate the file you are transmitting, the kernel sends you a real-time signal, the RT_SIGNAL_LEASE signal.
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