| 1. | Television - measurement of luminance signal levels 电视.亮度信号电平的测量 |
| 2. | Standard on television : measurement of luminance signal levels 电视标准:亮度信号电平的测量 |
| 3. | Test signal level monitor function 测试信号电平监视功能 |
| 4. | Noise - quieting input - signal level 抑躁输入信号电平 |
| 5. | 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。 |
| 6. | Standard input - signal level 标准输入信号电平 |
| 7. | Rslreceived signal level 接收信号电平 |
| 8. | Median of signal level 信号电平中值 |
| 9. | Receive signal level 接收信号电平 |
| 10. | 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。 |