| 1. | It is fed into the grid at this voltage .
它是以这种电压馈入电力网。 |
| 2. | Thus, the terminal voltage drops to zero .
这样，路端电压就降到零。 |
| 3. | The voltage had been reduced in stages .
电压一直在逐步地降低。 |
| 4. | The electric current varies directly with the voltage .
电流与电压成正比。 |
| 5. | Precise control of voltages is my business .
我的任务是准确无误地控制着电压。 |
| 6. | The current lags behind the voltage .
电流滞后于电压。 |
| 7. | The exact voltages used depend on the local supply .
具体电压要视地区供电情况而定。 |
| 8. | The triode steps up voltage .
三极管能升高电压。 |
| 9. | The voltage of the amplified signal at the loudspeaker is 2v .
扬声器放大了的信号的电势为2伏。 |
| 10. | So that one arrow will suffice for both voltage and current .
对电压及电流只要一个箭头就够了。 |
