The alarm management mode of DVR (non-manual alarm) includes ( ) A: External contact alarm mode B: External API alarm mode C: VMD alarm mode D: Timing alarm mode
The alarm management mode of DVR (non-manual alarm) includes ( ) A: External contact alarm mode B: External API alarm mode C: VMD alarm mode D: Timing alarm mode
______ , she went back to sleep. A: There was no cause for alarm B: There being no cause for alarm C: Without having cause for alarm D: Being no cause for alarm
______ , she went back to sleep. A: There was no cause for alarm B: There being no cause for alarm C: Without having cause for alarm D: Being no cause for alarm
______, she went back to sleep. A: There is no cause for alarm B: Being no cause for alarm C: There being no cause for alarm D: Without having cause for alarm
______, she went back to sleep. A: There is no cause for alarm B: Being no cause for alarm C: There being no cause for alarm D: Without having cause for alarm
750机组通信节点机状态灯含义为POWER灯（）、ALARM-A（）、ALARM-B灯（）、DATA-TX灯（）、DATA-RX灯（）。
750机组通信节点机状态灯含义为POWER灯（）、ALARM-A（）、ALARM-B灯（）、DATA-TX灯（）、DATA-RX灯（）。
alarm闹铃，闹钟；警钟
alarm闹铃，闹钟；警钟
Smoke alarm is very important.
Smoke alarm is very important.
A fire alarm should never be ignored. A: 正确 B: 错误
A fire alarm should never be ignored. A: 正确 B: 错误
Who used to be the alarm clock（闹钟） for the Chinese?
Who used to be the alarm clock（闹钟） for the Chinese?
In the emergency alarm signals, if the alarm or whistle two long sounds followed by one short sound for 1 minute, it is the （） emergency. A: fire fighting B: leakage blocking C: abandon ship D: integratio
In the emergency alarm signals, if the alarm or whistle two long sounds followed by one short sound for 1 minute, it is the （） emergency. A: fire fighting B: leakage blocking C: abandon ship D: integratio
Set the alarm clock if you want to be ________ time for the appointment.
Set the alarm clock if you want to be ________ time for the appointment.