In a polar circuit it causes the loop current to flow in a direction opposite to that for a markimpulse.
在极性电路中，空号脉冲促使环路电流向传号脉冲相反的方向流动。
2
Mark brown, a member of the organising committee, felt a sudden impulse to deal with at least some of those problems. "we."
马克·布朗是组委会的一员，他突然感到一阵冲动，要处理其中一些问题。
3
And to do that, you should carry around a little pencil and paper all day, and each time you feel the impulse (in this case, to react with anger), mark down a tally.