And they're switching current from high to low depending if it is a zero or a one of the bit that they're trying to execute.

如果这些晶体管传导的电流是零或是一个比特单位，电流就会从高到低进行转换。

It took perhaps twenty minutes after the farmer informed Utah Power of the accident for them to switch off the deadly current pulsing through the lines.

那个农民将事故通报给犹他州电力公司之后过了大约二十分钟，他们才关掉了流经电线的致命电流。