1. The monitor gives the operator a signal. ��������������Աһ���źš�
2. The synchronization signal provides each of the plurality of devices a time reference to synchronize the data rate. ��ͬ���ź�Ϊ����豸�е�ÿһ���ṩһ��ʱ��ο�������ͬ���������ʡ�
3. To achieve through the ACE process, thread communication and management of one code, and the process of thread synchronization, mutex, and signal process source. ͨ��ACEʵ�ֽ��̣��̵߳�ͨ����������д���ʵ���ˣ������̵߳�ͬ�������⣬���źŷ���ij���Դ�롣
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n.
1. any communication that encodes a message
2. any incitement to action
3. an electric quantity (voltage or current or field strength) whose modulation represents coded inform v.
1. communicate silently and non-verbally by signals or signs
2. be a signal for or a symptom of adj.
1. notably out of the ordinary
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