mark level meaning in English

标记电平
传号电平

Stop bit send by transmitters are always placed in the mark level
由发送器所送出的停止位总是被设置成信号电平。
This unit was equipped with a very good system for marking levels of injury within the triage
该单位配备了可在伤检分类区域检视受伤等级的完备系统。
The start bit of a character is placed in the space level , and the stop bit the mark level
我们将字符的起始位设置成空号电平，而将字符的终止位设置成信号电平。
Our latest survey shows that both support rate and support rating of ce donald tsang has gone back to the 60 % and 60 marks level , after their drops to record low in mid - december
07特首曾荫权的支持率和支持度在12月中跌至上任以来的新低后，已经重上六成和60分的水平。